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Easy 5-Ingredient No-Bake Peanut Butter Protein Bars

A stack of three homemade, no-bake protein bars topped with mini chocolate chips on a granite counter.

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You need quick, satisfying snacks, and these homemade protein bars deliver. This easy, no-bake recipe uses just five simple ingredients to create chewy, high-protein bars perfect for meal prep or on-the-go fuel.

Ingredients

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  • 1 cup rolled oats
  • 1 cup protein powder (vanilla or unflavored)
  • 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 pan with parchment paper, leaving an overhang on the sides for easy removal.
  2. In a large bowl, combine the rolled oats and protein powder. Mix these dry ingredients well.
  3. Add the peanut butter and honey (or maple syrup) to the dry mixture.
  4. Use a sturdy spoon or your hands to mix everything until a thick, uniform dough forms. If the mixture seems too dry, add one teaspoon of water at a time until it holds together.
  5. Press the dough evenly and firmly into the prepared pan. Pack it down tightly to prevent crumbling later.
  6. If using chocolate chips, sprinkle them over the top and press them lightly into the surface.
  7. Place the pan in the refrigerator and chill for at least 1 hour, or until the bars are firm.
  8. Use the parchment paper overhang to lift the block out of the pan. Cut the block into 10 or 12 equal bars.
  9. Store your homemade protein bars in an airtight container in the refrigerator for up to one week.

Notes

  • You control the sweetness: adjust the honey or syrup amount based on your preference and the flavor of your protein powder.
  • For a vegan option, ensure you use maple syrup instead of honey and a plant-based protein powder.
  • 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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