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It’s no secret I love a protein-packed sweet treat! My favorites lately have been my single serve protein cookie skillet and 3-ingredient protein cookies – but recently, I’ve had a real craving for brownies. But most nights, I don’t have the time (or let’s face it, the energy) to whip up a long and complicated brownie recipe. So that’s exactly why I created this 4-ingredient protein brownies recipe! They’re rich, fudgy, just as delicious as regular brownies, but packed with protein, and made with just 4 simple ingredients. Make a batch today and enjoy a quick protein-packed sweet treat all week long!

Why You’ll Love These Protein Brownies

  • 10 grams of protein per brownie!
  • Made with just 4 simple ingredients you probably already have at home.
  • Gluten-free, dairy-free, vegan, and added sugar-free.
  • Quick and super easy to make!
  • Soft, fudgy, and chocolatey – like classic brownies, but healthier.

These brownies are perfect for a post-workout snack, dessert, or anytime treat!

the inside of a fudgy protein brownie.

Frequently Asked Questions

How much protein does each brownie have?

Each brownie contains 10 grams of protein, depending on your protein powder brand and portion size.

How do I store these protein brownies?

These 4-ingredient protein brownies can be stored in an airtight container. At room temperature, they’ll stay fresh for 1–2 days. In the refrigerator, they last up to 5 days, and for longer storage, you can freeze them for up to 2 months – just thaw or warm slightly before eating.

What kind of protein powder did you use?

I used Aloha plant-based chocolate protein powder, but any chocolate protein powder works! Whey, vegan, or collagen-based protein powders all work well in this recipe.

Recipe Variations and Substitutions

  • Nut-free: Replace peanut butter with sunflower seed butter.
  • Banana-free: Use unsweetened applesauce or pumpkin puree for a banana-free option.
  • Extra chocolatey: Fold in a few chocolate chips.
  • Lower sugar: Use unsweetened cocoa powder only and skip the chocolate chips on top!
overhead image of 4 ingredient protein brownies with mini chocolate chips on top.
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4-Ingredient Protein Brownies

These 4-ingredient protein brownies are fudgy, chocolatey, and packed with 10 grams of protein per serving! They’re gluten-free, dairy-free, added sugar-free, and super easy to make with just a few simple ingredients. Perfect for a healthy dessert or post-workout snack!
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Prep Time: 5 minutes
Cook Time: 20 minutes
Total Time: 25 minutes
Servings: 8 servings

Equipment

  • 1 medium bowl
  • 1 9×4-inch loaf pan

Ingredients

  • 3 overripe bananas about 1 1/2 cups when mashed
  • 1/2 cup peanut butter or any nut/seed butter
  • 1/4 cup chocolate protein powder
  • 2 tablespoons unsweetened cocoa powder

Instructions

  • Preheat oven to 350° Fahrenheit and line a 9×4-inch loaf pan with parchment paper, then grease the inside of the pan with oil or butter.
  • Mash the banana in a large bowl until mostly smooth, then add in the peanut butter, chocolate protein powder, and cocoa powder. Mix everything together until fully combined.
  • Transfer the brownie batter to your prepared baking pan and top it with chocolate chips (if using), then bake for 18-20 minutes or until the brownies are just set in the middle.
  • Remove the pan from the oven and let the brownies cool completely before slicing.

Nutrition

Serving: 1serving | Calories: 175kcal | Carbohydrates: 20g | Protein: 10g | Fat: 8g | Fiber: 3.5g | Sugar: 9g

It’s no secret I love cookie dough. The cookie dough obsession started with my viral healthy 4-ingredient cookie dough bark, then spiraled into an edible cottage cheese cookie dough and healthy cookie dough date bites. So up next in our cookie dough lineup are these seriously delicious collagen cookie dough protein bars. Made in just one bowl, with 7 simple ingredients – they’re totally gluten-free, dairy-free, and pack 15 grams of protein per bar! I’ve truly never found a protein bar recipe with cleaner ingredients than this one right here. I love meal prepping a double batch of these homemade protein bars, freezing half, then enjoying the other half as an afternoon protein snack all week long. So simple, healthy, and truly delicious!

Why You’ll Love These Cookie Dough Protein Bars

These cookie dough protein bars taste just like edible cookie dough, but with a healthy, nourishing twist! They’re no-bake, gluten-free, dairy-free, and made in just one bowl with 7 simple ingredients, perfect for busy weeks and meal prep. Each bar packs 15 grams of protein, making them a satisfying snack, dessert, or post-workout treat you’ll actually look forward to snacking on!

a bite taken out of a collagen cookie dough protein bar

Frequently Asked Questions

What collagen powder did you use?
I used Vital Proteins Collagen Powder, but Further Foods Collagen works just as well. Any unflavored collagen powder will work here without affecting the taste or texture.

Can I use a different nut or seed butter?
Yes! Cashew butter makes these bars extra creamy, but peanut butter works great too. For a nut-free option, sunflower seed butter is a solid substitute – just note it may slightly change the flavor.

How much protein is in each bar?
Each bar contains about 15 grams of protein, primarily from the collagen powder and nut butter, making them a great high-protein snack option!

Storage Tips

Store these cookie dough protein bars in an airtight container in the refrigerator for up to 1 week. For longer storage, keep them in the freezer for up to 2 months and let them thaw for a few minutes before enjoying. They’re best served chilled for that classic cookie dough texture.

overhead image of sliced collagen cookie dough protein bars.
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Collagen Cookie Dough Protein Bars

These cookie dough protein bars taste just like classic cookie dough, but are made with simple, better-for-you ingredients and 15 grams of protein per bar. They’re no-bake, gluten-free, and dairy-free, making them the perfect easy snack, dessert, or post-workout treat. Made in just one bowl with 7 ingredients, these healthy cookie dough protein bars are a must-make for meal prep.
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Prep Time: 5 minutes
Chill Time: 30 minutes
Servings: 10 servings

Equipment

  • 1 large bowl
  • 1 9×4-inch loaf pan

Ingredients

  • 1 cup almond flour
  • 3/4 cup creamy cashew butter or peanut butter
  • 1/2 cup collagen
  • 1/4 cup maple syrup
  • 1/4 cup coconut oil melted
  • 1 teaspoon vanilla extract
  • pinch of salt
  • 1/2 cup chocolate chips

Instructions

  • Mix together all ingredients except for the chocolate chips in a large bowl. Once the mixture has come together to resemble the consistency of cookie dough, fold in the chocolate chips.
  • Transfer the mixture to a 9×9-inch square baking pan lined with parchment paper, and press it down into an even layer in the pan.
  • Chill the bars in the fridge or freezer for about 30 minutes, then remove from the fridge and slice into 9 bars. Store the bars in an airtight container in the fridge until ready to eat.

Nutrition

Serving: 1bar | Calories: 280kcal | Carbohydrates: 18g | Protein: 15g | Fat: 20g | Fiber: 3g | Sugar: 9g

The self-proclaimed protein cookie queen (hi, it’s me!) is at it again with yet another quick, easy, and ttoally delicious protein cookie recipe! My single serve protein cookie was such a big hit, I received soooo many requests to make a full batch version. Well, I present to you – a rich, chewy, slightly fudgy, protein-packed cookie made with just 3 ingredients! Honestly, if I hadn’t tried them myself, I’d think these 3 ingredient protein cookies were too good to be true. They’re just as delicious as any other cookie, but pack in a whopping 20 grams of protein each!

Why You’ll Love These 3-Ingredient Protein Cookies

  • Ridiculously simple – only three main ingredients and 10 minutes in the oven!
  • Naturally healthy – made with real food, no refined sugars and totally gluten-free.
  • High-protein & satisfying – perfect for post-workout snack or quick breakfast treat.
  • Totally customizable – add your favorite mix-ins like chocolate chips, nuts, or dried fruit.

Frequently Asked Questions

What protein powder did you use?
I used the Be Well By Kelly vanilla protein powder, which mixes in perfectly and keeps these cookies soft and chewy.

Can I use almond butter instead of peanut butter?
Yes! Almond butter, cashew butter, or sunflower seed butter all work beautifully – just use the same amount.

How much protein is in each cookie?
Each cookie contains around 20 grams of protein, depending on your protein powder brand and mix-ins.

close up of 3 ingredient protein cookies with a bite taken out.

Recipe Variations and Substitutions

  • Chocolate Lovers: Fold in ¼ cup dark chocolate chips or cacao nibs.
  • Nut-Free/Vegan: Use sunflower seed butter and dairy-free protein powder.
  • Low-Sugar: Swap chocolate chips for chopped nuts or unsweetened shredded coconut.
  • Spice It Up: Add a pinch of cinnamon, nutmeg, or pumpkin spice for seasonal flavor!

Sam’s Recipe Tips

  • Mash the banana very well for an even and smooth batter!
  • If the dough is too dry, add 1–2 teaspoons of non-dairy milk.
  • For crispier edges, flatten the cookies a little more before baking.
  • Store leftovers in an airtight container for up to 3 days or freeze for up to 3 months.
overhead image of 3 ingredient protein cookies with a bite taken out.
5 from 1 vote

3-Ingredient Protein Cookies (20g protein each!)

These 3 ingredient protein cookies are soft, chewy, naturally sweet, and packed with protein for the perfect healthy snack or post-workout treat! Made with banana, peanut butter, and protein powder, they’re quick to make, totally customizable, and naturally gluten-free and dairy-free. If you’re looking for an easy high-protein cookie recipe that tastes amazing and comes together in minutes, this is it!
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Prep Time: 5 minutes
Cook Time: 10 minutes
Servings: 5 cookies

Equipment

  • 1 large bowl

Ingredients

  • 1 ripe banana
  • 1/2 cup peanut butter or any nut/seed butter
  • 1/2 cup protein powder

Optional:

  • 1/4 cup chocolate chips or any mix-ins you'd like!

Instructions

  • Preheat oven to 350° Fahrenheit and line a baking sheet with parchment paper.
  • Mash the banana in a bowl until mostly smooth, then mix in the peanut butter and protein powder.
  • Fold in the chocolate chips or any mix-in you’d like, then scoop 2 tablespoon-sized mounds of cookie dough onto the parchment paper. Slightly wet your hands, then use them to gently press and flatten each cookie slightly.
  • Bake the cookies for 10 minutes, or until lightly golden brown around the edges, then remove from the oven and transfer to a wire cooling rack before serving or storing.

Nutrition

Serving: 1cookie | Calories: 190kcal | Carbohydrates: 10g | Protein: 20g | Fat: 13g | Fiber: 2g | Sugar: 5g

Peanut butter + chocolate is the ultimate flavor combo if ya ask me. I really can’t get enough of it! I made my frozen banana and peanut butter bites all summer, and my healthy strawberry peanut butter cups were one of the most popular recipes I’ve ever shared. So when I was thinking up this recipe for a peanut butter and chocolate bar, loaded with cornflakes for extra crunch – I knew it’d be a huge hit! I actually tested this peanut butter cornflake bars recipe right before my family came over a few weeks ago, so they all got to be the first to try it and gave it raves reviews. After that, I wasted no time getting this recipe ready to share with you all! I just know you’ll love these crunchy, peanut butter-y, and extra chocolatey cornflake bars as much as they did!

peanut butter cornflake bars cut into squares with flaky sea salt on top.

Why You’ll Love These Peanut Butter Cornflake Bars

  • Simple & no-bake: Only four base ingredients and no oven – ideal for quick treats or busy days. They’re naturally gluten-free, dairy-free, vegan, and ready in no time at all!
  • Crunchy + chewy texture: Cornflakes give a satisfying crunch, peanut butter binds it all together, and the chocolate layer adds richness – a classic combo that hits sweet and salty just right!
  • Flexible & allergy-friendly: It’s easy to swap ingredients – use sunflower butter or almond butter instead of peanut butter, or gluten-free cornflakes – and still get delicious bars that work for vegan, dairy-free, or gluten-free diets.

How to Store These Bars

Once assembled and chilled until firm, store the bars in an airtight container in the fridge – they’ll stay good for up to 1 week. For longer storage, you can freeze individual bars for up to 2–3 months; just thaw for a few minutes before serving for best texture.

overhead image of peanut butter cornflake bars.

Sam’s Recipe Tips

  • Use gluten-free cornflakes like these ones, if you’re avoiding gluten – always double-check cereal packaging!
  • Press the cornflake-peanut butter mixture firmly into the pan so bars hold together well after chilling.
  • Melt chocolate gently (microwave or double-boiler), and pour while warm for a smooth top that sets evenly.
  • For extra crunch or festive flair: sprinkle sea salt, chopped nuts, or crushed candy over the chocolate before it sets!
overhead image of peanut butter cornflake bars with a bite taken out.
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4-Ingredient Peanut Butter Cornflake Bars

These 4-ingredient peanut butter cornflake bars are the ultimate no-bake treat – crunchy, chocolatey, and ready in minutes! Made with simple pantry staples, they’re naturally gluten-free, dairy-free, and even vegan. These peanut butter cornflake bars are delicious as an easy sweet snack or holiday treat!
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Servings: 16 servings

Ingredients

  • 1 cup creamy peanut butter unsweetened
  • 1/2 cup maple syrup or honey
  • 3 1/2 cups cornflakes

For the chocolate layer:

  • 1 cup chocolate chips
  • 1/4 cup creamy peanut butter unsweetened

Instructions

  • Mix together the peanut butter and maple syrup in a large bowl, then add in the cornflake and mix again until the cornflakes are coated in the peanut butter mixture.
  • Transfer the cornflake mixture to a 9×9-inch pan lined with parchment paper, and gently press it down into an even layer.
  • Make the chocolate layer by melting together the chocolate chips and peanut butter in either the microwave or over a double boiler until completely smooth and combined.
  • Pour the melted chocolate mixture over the cornflakes and smooth it into an even layer. Transfer the pan to the fridge for set for about 1 hour, then remove from the fridge and cut into squares.

Nutrition

Serving: 1serving | Calories: 230kcal | Carbohydrates: 18g | Protein: 6g | Fat: 14g | Fiber: 2g | Sugar: 11g

My husband swears these are the “BEST” dessert I’ve ever made! And, I mean… look around, I made a lot of dessert so that’s a bold statement. But he swears these frozen chocolate peanut butter s’mores bars are his favorite thing I’ve ever made.

While “best” might be a bit much for me, these s’mores bars are really REALLY good. I’d rank them up there with my protein chocolate chip cookies and healthier twix bars as one of the best recipes I’ve ever made. And the best part?? They’re made with just 5 simple ingredients, and there’s NO baking required. They’re incredibly delicious and indulgent!

overhead image of frozen chocolate protein peanut butter s'mores bars

Why You’ll Love These Frozen S’mores Bars

  • No bake & easy to make – Just a handful of ingredients and simple assembly steps.
  • Protein-packed – With chocolate protein powder mixed into the creamy whipped topping, each bar has an extra boost of protein to keep you satisfied and/or help you meet your protein goals!
  • Make-ahead friendly – Store them in the freezer for quick grab-and-go treats.

Recipe Variations and Substitutions

  • Swap the protein powder – Use vanilla protein powder instead of chocolate for a lighter flavor.
  • Add layers – Mix crushed graham crackers into the whipped topping for extra texture.
  • Make them extra chocolatey – Add a drizzle of melted chocolate on top before freezing, or dip them in melted chocolate after freezing.
  • Skip the chocolate chips – Keep it simple or roll the frozen bars in chopped nuts instead!
frozen chocolate protein peanut butter s'mores bar with a bite taken out.

Adjust This Recipe to Your Dietary Needs

frozen chocolate protein peanut butter s'mores bars stacked on top of each other on a table.
5 from 1 vote

Frozen Chocolate Protein Peanut Butter S’mores Bars

These Frozen Chocolate Protein Peanut Butter S’mores Bars are a chocolate protein twist on the nostalgic campfire classic. With graham crackers, creamy peanut butter, chocolate protein whipped cream, and a chocolate chip coating, they’re indulgent and seriously delicious! This no bake recipe is easy to make, freezer-friendly, and the perfect treat when you want something sweet and satisfying.
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Prep Time: 10 minutes
Freezing Time: 1 hour
Total Time: 1 hour 10 minutes
Servings: 9 servings

Equipment

  • 1 9×9-inch baking pan
  • 1 large bowl

Ingredients

  • 18 graham cracker squares I used gluten-free graham crackers
  • 1 container non-dairy whipped topping
  • 4 scoops chocolate protein powder about 1/2 cup
  • 1/4 cup peanut butter
  • 1/2 cup mini chocolate chips optional, but recommended!

Instructions

  • Line a 9×9-inch baking dish with parchment paper, then line the bottom of the pan with an even layer of graham crackers.
  • In a large bowl, mix together the whipped topping and chocolate protein powder, then transfer the whipped topping mixture on top the graham crackers and spread it into an even layer.
  • Drizzle and spread the peanut butter on top of the whipped topping, then arrange the remaining graham crackers in an even layer on top of the peanut butter.
  • Transfer the baking dish to the freezer for at least one hour or until firm, then remove from the freezer and cut into bars.Once cut, dip the outside of each bar in mini chocolate chips for the perfect finishing touch!

Nutrition

Serving: 1serving | Calories: 280kcal | Carbohydrates: 31g | Protein: 12g | Fat: 14g | Fiber: 3g | Sugar: 14g