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Easy 5-Ingredient No-Bake Peanut Butter Protein Bars

A stack of six homemade chocolate chip protein bars made with oats, topped with mini chocolate chips.

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You can make these simple, homemade protein bars in minutes. This no-bake recipe uses five basic ingredients to create chewy, high-protein snacks perfect for meal prep or on-the-go energy.

Ingredients

Scale
  • 1 cup rolled oats
  • 1/2 cup natural peanut butter
  • 1/2 cup vanilla protein powder (whey or plant-based)
  • 1/4 cup honey or maple syrup
  • 1/4 cup dark chocolate chips (optional, for topping)

Instructions

  1. Line an 8×8 inch baking pan with parchment paper, leaving an overhang on the sides for easy removal.
  2. In a medium bowl, combine the rolled oats, protein powder, peanut butter, and honey or maple syrup.
  3. Mix the ingredients thoroughly with a sturdy spoon or your hands until a uniform, thick dough forms. If the mixture seems too dry, add one teaspoon of water or milk at a time until it holds together.
  4. Press the mixture firmly and evenly into the prepared pan. Use the back of a measuring cup to compact it well.
  5. If using chocolate chips, sprinkle them over the top and press them lightly into the surface.
  6. Place the pan in the refrigerator and chill for at least 1 hour, or until the bars are firm enough to cut.
  7. Use the parchment paper overhang to lift the block out of the pan. Cut the block into 10 to 12 even bars.
  8. Store your homemade protein bars in an airtight container in the refrigerator for up to one week.

Notes

  • For a vegan option, use maple syrup instead of honey and ensure your protein powder is plant-based.
  • If you want a richer chocolate flavor, melt the chocolate chips and drizzle them over the chilled bars before cutting.
  • These are excellent for meal prep; make a batch on Sunday to cover your snacking needs for the week.

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