Double Nutty Peanut Butter Protein Bars

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These double nutty no-bake peanut butter protein bars are dense, satisfying, and easy to throw together with pantry staples. These homemade peanut butter protein bars topped with luscious chocolate strike the perfect balance of sweet, salty, and chewy.

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Why You’ll Love These Double Nutty Peanut Butter Protein Bars

  • Double the peanut butter flavor thanks to both creamy peanut butter and crunchy roasted peanuts.

  • High in protein without weird textures or aftertastes.

  • Naturally sweetened with honey, maple syrup, or agave, depending on what you’ve got on hand.

  • Super customizable and easy to store.

  • You can skip the oven and still end up with protein bars that feel like a treat.

  • Who doesn’t love peanut butter and chocolate together? If you’re a fan of no-bake peanut butter protein bars, this one’s a keeper.

Ingredients You Need

Double Nutty Peanut Butter Protein Bars Recipe

  • 1 cup peanut butter (we used Jif No Sugar Added)

  • ¾ to 1 cup vanilla or chocolate protein powder

  • 2–4 tablespoons agave nectar, maple syrup, or honey

  • ½ cup roasted peanuts

Chocolate Topping (optional, but highly recommended)

  • ⅔ cup semi-sweet chocolate chips or chopped chocolate bar (milk or dark works too)

  • 2 tablespoons peanut butter or coconut oil

No bake peanut butter protein bars

Instructions How to Make Nutty Peanut Butter Protein Bars

Double Nutty Peanut Butter Protein Bars Recipe

  1. Line your pan. Use parchment paper in a 9×5 loaf pan (for thick bars) or an 8×8 baking pan (for thinner bars).

  2. Make the base. In a bowl, mix the peanut butter, protein powder, and your chosen sweetener until it forms a dough. Note: Taste before adding sweetener. Some protein powders are already sweetened.

  3. Add peanuts. Stir in the roasted peanuts so they’re well distributed.

  4. Press into pan. Firmly press the dough into your prepared pan.

  5. Chill. Place it in the fridge while you make the topping.

Chocolate Topping (optional, but highly recommended)

  1. In a microwave-safe bowl, combine chocolate and peanut butter (or coconut oil).

  2. Microwave in 30-second bursts, stirring each time, until smooth (usually about 1½–2 minutes total).

  3. Pour the chocolate mixture over the chilled base and spread it evenly.

  4. Chill again until the topping sets, then slice into bars.

That’s it. These protein bars with peanut butter and chocolate take less than 10 minutes of active time.

No bake peanut butter protein bars

Storing Double Nutty Peanut Butter Protein Bars

  • Keep these bars in an airtight container in the fridge for up to 2 weeks.

  • To keep a stash on hand, freeze for up to 2 months. Just let them thaw a bit before eating for the best texture.

These are the kind of homemade protein bars with peanuts you’ll want to keep stocked in the freezer for busy days or late-night cravings.

More Variations

  • Vegan Version: Use a vegan protein powder, maple syrup or agave, and dairy-free chocolate to make vegan protein bars.

  • Crunchy Base: Add ½ cup crushed rice cereal or oats for a softer crunch.

  • Nuts Swap: Use almond butter and chopped almonds instead for a twist on the classic.

These no-bake peanut butter protein bars with chocolate work with just about any combo of nut butter and toppings, so make them your own if you feel inclined!

No bake peanut butter protein bars

If you’re tired of chalky bars and long ingredient lists, these double nutty snacks are a solid solution. They’re easy to make, taste amazing, and hit that perfect snack sweet spot. These homemade peanut butter protein bars are great for meal prep or as an easy grab-and-go snack, and once you try them, you’ll probably want to keep a batch in the fridge at all times.

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More Delish Bars

Double Nutty Peanut Butter Protein Bars

Kim Lange
Easy, no-bake protein bars packed with peanut butter flavor and crunchy peanuts. A delicious and customizable snack!
No ratings yet
Prep Time 15 minutes
Total Time 15 minutes
Course Dessert, Snack
Cuisine American
Servings 10 bars
Calories 339 kcal

Equipment

  • 9x5 loaf pan or 8x8 baking pan
  • Parchment paper
  • Mixing bowl
  • Microwave-safe bowl

Ingredients
  

  • 1 cup peanut butter (we used Jif No Sugar Added) (approx. 240ml)
  • ¾ to 1 cup vanilla or chocolate protein powder (approx. 180-240ml)
  • 2–4 tablespoons agave nectar, maple syrup, or honey
  • ½ cup roasted peanuts (approx. 120ml)

Chocolate Topping (optional, but highly recommended)

  • cup semi-sweet chocolate chips or chopped chocolate bar (milk or dark works too) (approx. 160ml)
  • 2 tablespoons peanut butter or coconut oil

Instructions
 

  • Line your pan. Use parchment paper in a 9x5 loaf pan (for thick bars) or an 8x8 baking pan (for thinner bars).
  • Make the base. In a bowl, mix the peanut butter, protein powder, and your chosen sweetener until it forms a dough. Note: Taste before adding sweetener. Some protein powders are already sweetened.
  • Add peanuts. Stir in the roasted peanuts so they’re well distributed.
  • Press into pan. Firmly press the dough into your prepared pan.
  • Chill. Place it in the fridge while you make the topping.

Chocolate Topping

  • In a microwave-safe bowl, combine chocolate and peanut butter (or coconut oil).
  • Microwave in 30-second bursts, stirring each time, until smooth (usually about 1½–2 minutes total).
  • Pour the chocolate mixture over the chilled base and spread it evenly.
  • Chill again until the topping sets, then slice into bars.

Notes

Adjust sweetness based on your protein powder. Store bars in an airtight container in the refrigerator.

Nutrition

Calories: 339kcalCarbohydrates: 19gProtein: 16gFat: 24gSaturated Fat: 6gPolyunsaturated Fat: 5gMonounsaturated Fat: 10gTrans Fat: 0.01gCholesterol: 23mgSodium: 185mgPotassium: 333mgFiber: 3gSugar: 11gVitamin A: 6IUVitamin C: 1mgCalcium: 84mgIron: 1mg
Keyword easy bars, no bake, peanut butter, protein
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Double Nutty Peanut Butter Protein Bars

Double Nutty Peanut Butter Protein Bars

Double Nutty Peanut Butter Protein Bars