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Easy 5-Ingredient No-Bake Peanut Butter Protein Bars

Close-up of a stack of homemade protein bars featuring an oat base, caramel layer, and rich chocolate topping.

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Make these simple, chewy, no-bake protein bars at home. This recipe uses only five ingredients and is perfect for quick meal prep or an on-the-go high protein snack.

Ingredients

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

Instructions

  1. Line an 8×8 inch baking dish with parchment paper, leaving an overhang on two sides for easy removal.
  2. In a large bowl, combine the protein powder and rolled oats. Mix them well to ensure even distribution.
  3. Add the peanut butter and honey (or maple syrup) to the dry ingredients.
  4. Mix everything together using a sturdy spoon or your hands until a thick, uniform dough forms. If the mixture seems too dry, add one teaspoon of water at a time until it comes together.
  5. Press the dough evenly into the prepared baking dish. Press firmly to compact the mixture.
  6. If using, melt the chocolate chips slightly and spread them over the top layer.
  7. Place the dish in the refrigerator and chill for at least 1 hour, or until the bars are firm enough to cut.
  8. Use the parchment paper overhang to lift the block out of the pan. Cut into 10 to 12 equal bars. Store the bars in an airtight container in the refrigerator.

Notes

  • For a vegan option, use maple syrup instead of honey and ensure your protein powder is plant-based.
  • You can substitute peanut butter with almond butter or sunflower seed butter for a different flavor profile.
  • If you want a fudgier texture, reduce the oats by 2 tablespoons and add 2 tablespoons of unsweetened cocoa powder.

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