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Protein peanut butter cups on parchment paper, three cut open to show the fudgy peanut butter filling, with peanuts and cocoa scattered nearby
No-Bake Treats · High-Protein Desserts

Protein Peanut Butter Cups

August 16, 2026 Total time: 55 min Makes: 5 servings (2 cups each)

These came out of wanting an actual peanut butter cup that wasn't just a protein bar dipped in chocolate. The filling is dense and fudgy from the peanut butter and protein powder together, and the chocolate shell snaps just like the real thing.

I keep a batch in the freezer at all times, they're small enough that two feels like a real portion, and by the time you've had two, you've actually gotten a real amount of protein out of it.

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Protein Peanut Butter Cups

A protein-powder peanut butter filling wrapped in sugar-free chocolate, a homemade cup with real protein behind it, not just a protein bar dipped in chocolate.

Prep 20 min
Cook No cook
Total 55 min
Yield 5 servings (2 cups each)

Ingredients

  • 1/2 cup natural peanut butter
  • 1/2 cup vanilla protein powder
  • 1 tablespoon allulose or monk fruit sweetener
  • pinch of salt
  • 2/3 cup sugar-free chocolate chips
  • 1 tablespoon coconut oil

Instructions

  1. Line a mini muffin tin with 10 paper liners.
  2. Melt the chocolate chips and coconut oil together in the microwave in 30-second bursts, stirring between each, until smooth.
  3. Spoon about 1 teaspoon of melted chocolate into the bottom of each liner and tilt to coat the bottom. Freeze for 5 minutes to set.
  4. While that sets, stir the peanut butter, protein powder, sweetener, and salt together in a bowl until it forms a thick, moldable dough. If it's too dry, add peanut butter a teaspoon at a time, if too wet, add a little more protein powder.
  5. Roll the dough into 10 small discs and press one on top of the set chocolate layer in each liner.
  6. Spoon the remaining melted chocolate over the top of each, covering the peanut butter completely. Reheat the chocolate briefly if it's thickened too much to pour.
  7. Freeze for 20 to 30 minutes, until fully firm.

Nutrition (approximate, per serving)

Calories210
Fat14g
Carbs14g
Fiber3g
Sugar2g
Protein12g

Estimated from the ingredients listed above; actual values will vary with brands and swaps.

Tips & swaps

  • Natural peanut butter (just peanuts and salt) works best, the oil in it helps the filling hold together, no-stir peanut butters can turn out too stiff.
  • Store in the fridge or freezer, coconut oil chocolate softens quickly at room temperature.
  • Two cups is the real serving size here if protein is the goal, they're small.

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