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Easy No-Bake 5-Ingredient Peanut Butter Protein Bars

Two delicious, thick homemade protein bars made with oats and topped with drizzled dark chocolate.
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You can make these simple, chewy peanut butter protein bars at home with just five ingredients. They require no baking and are perfect for quick meal prep or a satisfying, high-protein snack.

Ingredients

Scale
  • 1 cup rolled oats
  • 1/2 cup natural peanut butter
  • 1/2 cup vanilla or unflavored protein powder
  • 1/4 cup honey or maple syrup
  • 2 tablespoons milk (dairy or non-dairy)
  • Optional Drizzle: 1/4 cup dark chocolate chips, melted

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, protein powder, and peanut butter.
  3. Add the honey (or maple syrup) and milk to the mixture.
  4. Stir everything together until a thick, uniform dough forms. If the mixture seems too dry, add milk one teaspoon at a time until it holds together when pressed.
  5. Press the dough evenly into the prepared pan. Use the back of a spatula or your fingers to pack it down firmly.
  6. If using the chocolate drizzle, melt the chocolate chips in a microwave-safe bowl in 30-second intervals, stirring until smooth. Drizzle the melted chocolate over the top of the bar mixture.
  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 bars out of the pan. Cut into 10 to 12 equal pieces.
  9. Store your homemade protein bars in an airtight container in the refrigerator for up to one week.

Notes

  • For a vegan option, make sure your protein powder is plant-based and use maple syrup instead of honey.
  • If you want a firmer bar, reduce the liquid slightly. If you prefer a softer bar, add a tiny bit more milk.
  • These peanut butter protein bars freeze well for longer storage; wrap individual bars before freezing.

Nutrition

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