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Easy No-Bake 5-Ingredient Peanut Butter Protein Bars

Close-up of homemade protein bars made with oats, drizzled generously with melted dark chocolate.

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Make these simple, no-bake protein bars using just five ingredients. They are chewy, satisfying, and perfect for quick meal prep or an on-the-go snack.

Ingredients

Scale
  • 1 cup rolled oats
  • 1 cup peanut butter (natural style works best)
  • 1/2 cup protein powder (vanilla or unflavored)
  • 1/4 cup honey or maple syrup
  • 1/4 cup dark chocolate chips (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 medium bowl, combine the rolled oats, peanut butter, protein powder, and honey or maple syrup.
  3. Mix the ingredients thoroughly until a thick, uniform dough forms. You may need to use your hands to fully incorporate everything.
  4. Press the mixture firmly and evenly into the prepared baking dish. Pack it down tightly to prevent crumbling later.
  5. Place the dish in the refrigerator to chill for at least 1 hour, or until firm.
  6. Melt the chocolate chips in a microwave-safe bowl in 30-second intervals, stirring until smooth.
  7. Drizzle the melted chocolate over the chilled bar mixture.
  8. Return the dish to the refrigerator for 15 minutes to allow the chocolate to set.
  9. Lift the bars out of the dish using the parchment paper overhang. Cut into 10 to 12 equal bars.
  10. Store the finished 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 the mixture seems too dry, add one teaspoon of water or milk at a time until it holds together.
  • These homemade protein bars taste best when kept cold.
  • If you want a stronger chocolate flavor, use chocolate protein powder instead of vanilla.

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