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Stack of chewy homemade protein bars with dark chocolate topping on white parchment paper

Easy No-Bake Homemade Protein Bars

Chewy, chocolatey, and packed with 15g of protein per bar, these no-bake homemade protein bars use just five simple ingredients and require zero oven time. Perfect for meal prep and on-the-go snacking.
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Prep Time 10 minutes
Cook Time 0 minutes
Chill Time 1 hour
Total Time 1 hour 10 minutes
Servings: 10 bars
Course: Meal Prep, Snack
Cuisine: American
Calories: 210
Ingredients Equipment Method Notes

Ingredients
  

  • 1 cup rolled oats old-fashioned oats recommended, not quick oats
  • 1/2 cup natural peanut butter drippy, stir-required variety works best for smooth dough
  • 1/2 cup protein powder vanilla or unflavored; use a powder you enjoy the taste of
  • 1/4 cup honey or maple syrup use maple syrup for a vegan version
  • 1/4 cup dark chocolate chips optional topping

Equipment

  • 8x8 inch baking pan
  • Parchment paper
  • Medium mixing bowl
  • Microwave-safe bowl
  • Spatula
  • Sharp knife

Method
 

  1. Line an 8x8 inch baking pan with parchment paper, leaving a generous overhang on at least two sides for easy removal after chilling.
  2. Add the rolled oats, protein powder, and peanut butter to a medium mixing bowl. Stir until the peanut butter begins to coat the oats and powder evenly.
  3. Pour in the honey or maple syrup and continue mixing until a thick, uniform dough forms. If the dough is too dry to hold together when pressed, add one teaspoon of water or milk at a time until it comes together.
  4. Transfer the dough to the prepared pan. Use the flat bottom of a measuring cup to press it down firmly and evenly across the entire surface. Pack it tightly to prevent crumbly bars.
  5. If adding chocolate, melt the dark chocolate chips in a microwave-safe bowl in 30-second intervals, stirring between each interval until fully smooth. Pour over the pressed dough and spread quickly with a spatula.
  6. Place the pan in the refrigerator and chill for a full hour until firm. Lift the block out using the parchment overhang and slice into 10 to 12 equal bars using a sharp knife run briefly under hot water for clean cuts.

Notes

Store in an airtight container in the refrigerator for up to one week with parchment between layers. Freeze for up to two months. For a keto version, substitute oats with almond flour and use a keto-friendly sweetener. For a vegan version, use maple syrup and plant-based protein powder. Sunflower seed butter can replace peanut butter for a nut-free option.