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A close-up of several chocolate oat granola bars stacked on a white plate, with scattered oats and chocolate chips beside them.

Peanut Butter and Chocolate Protein Bars

No-bake chocolate peanut butter protein bars made with oats, protein powder, cocoa, and reduced-fat peanut butter. An easy make-ahead snack that’s filling, chocolatey, and freezer-friendly.
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Prep Time 15 minutes
Chill Time 1 hour
Total Time 1 hour 15 minutes
Course Snack
Cuisine American
Servings 10
Calories 233 kcal

Equipment

  • 8x8-inch baking pan
  • Parchment paper
  • Medium mixing bowl
  • Rubber spatula or wooden spoon
  • Sharp knife for slicing

Ingredients
  

  • 1 cup Reduced-fat peanut butter
  • cup sugar free maple syrup
  • 1 teaspoon vanilla extract
  • 1 ½ cups rolled oats
  • ½ cup protein powder vanilla or chocolate
  • ¼ cup unsweetened cocoa powder
  • 2 tablespoons fat free milk dairy or non-dairy, as needed
  • ¼ cup Lily mini chocolate chips

Instructions
 

  • Line an 8x8-inch pan with parchment paper.
  • In a medium bowl, stir together the peanut butter, honey (or maple syrup), and vanilla until smooth.
  • Add the oats, protein powder, cocoa powder, and optional chocolate chips; mix until combined.
  • Stir in milk one tablespoon at a time until the mixture is thick but pressable.
  • Press the mixture firmly into the prepared pan in an even layer.
  • Refrigerate for at least 1 hour, then lift out and cut into bars.
  • Store bars in an airtight container in the refrigerator for up to 1 week, or freeze for longer storage.

Notes

  • Let the bars chill completely before slicing for the cleanest edges.
  • Use parchment paper with overhanging edges for easy removal from the pan.
  • Stir the peanut butter mixture thoroughly before adding the dry ingredients.
  • Cut into smaller squares for lower-calorie snack portions.
  • Add a pinch of salt to enhance the chocolate flavor.

Disclaimer:

Any nutritional data I provide is an approximation and actual dietary information can vary based on ingredients and proportion sizes.

Nutrition

Calories: 233kcalCarbohydrates: 23gProtein: 13gFat: 12gSaturated Fat: 3gPolyunsaturated Fat: 3gMonounsaturated Fat: 5gCholesterol: 9mgSodium: 173mgPotassium: 272mgFiber: 4gSugar: 3gVitamin A: 21IUCalcium: 40mgIron: 2mg
Keyword Peanut Butter and Chocolate Protein Bars
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