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Monster Cookie Protein Balls Recipe

Chewy no-bake protein bites that capture the classic monster cookie mix—oats, peanut butter, chocolate chips and candy—made into portable, protein-packed snack balls.
Prep Time15 minutes
Cook Time30 minutes
Total Time45 minutes
Servings: 16

Ingredients

Dry ingredients

  • 2 cups old-fashioned rolled oats
  • 1/2 cup vanilla whey or plant-based protein powder
  • 1/2 tsp ground cinnamon
  • 1/4 tsp fine sea salt

Wet ingredients

  • 1 cup creamy peanut butter (stirred)
  • 1/3 cup honey
  • 1 tsp pure vanilla extract

Mix-ins

  • 1/2 cup mini M&M candy pieces
  • 1/3 cup mini semisweet chocolate chips
  • 1/4 cup peanut butter chips

Instructions

Preparation Steps

  • Line a baking sheet with parchment paper or use a shallow container for chilling. Set aside.
  • Combine the rolled oats, protein powder, cinnamon and sea salt in a large bowl. Stir with a spoon to evenly distribute the powder and spices.
  • Place the peanut butter and honey in a microwave-safe bowl and heat for 12–15 seconds to loosen (or warm gently on the stove). Add the vanilla and stir until smooth.
  • Pour the peanut butter mixture over the dry ingredients. Fold everything together with a sturdy spatula until the mixture holds together but still looks slightly crumbly; use your hands to finish mixing if needed.
  • Gently fold in the mini M&Ms, chocolate chips and peanut butter chips so they’re distributed but not crushed. Press a handful together—if it’s too sticky, add 1–2 tablespoons of oats; if too dry, drizzle 1 tsp honey at a time until it binds.
  • Scoop heaping tablespoons of the mixture and roll into 1-inch balls between your palms. Place each ball on the prepared sheet. You should make about 16 balls.
  • Chill the tray in the refrigerator for at least 20–30 minutes to firm up the balls. Chilling helps the peanut butter and honey set so they keep their shape.
  • Store finished protein balls in an airtight container in the fridge for up to 2 weeks, or freeze for longer storage. Let frozen balls sit at room temperature a few minutes before eating.

Notes

Tip: Roll the balls tightly and chill well—this improves texture and prevents them from crumbling. For a slightly chewier bite, swap half the rolled oats for quick oats.
This recipe is an original creation inspired by classic Monster Cookie Protein Balls Recipe flavors. All ingredient ratios and instructions are independently developed.