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+ servings

Monster Cookies (Soft & Chewy)

Soft, chewy, and packed with peanut butter, chocolate, and colorful candy — these monster cookies are a classic treat for all ages. They’re perfect for parties, holiday baking, or simply when you want something rich, sweet, and comforting.
Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes
Serving Size 24 Cookies

Ingredients

  • 1 cup creamy peanut butter
  • 1/2 cup butter unsalted & softened
  • 1 cup brown sugar packed
  • 1/2 cup sugar granulated
  • 2 eggs
  • 1 tablespoon vanilla extract
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 1/2 cups rolled oats
  • 1 cup quick oats
  • 1/2 cup all-purpose flour
  • 3/4 cup semi-sweet chocolate chips
  • 1/2 cup peanut butter chips
  • 1/2 cup white chocolate chips
  • 1/2 cup mini M&M candies optional

Instructions

  • Preheat your oven to 350°F (175°C) and line two baking sheets with parchment paper.
  • In a large bowl, beat together the peanut butter, butter, brown sugar, and granulated sugar until creamy and smooth.
  • Add in the eggs and vanilla extract, and mix until well combined.
  • In a separate bowl, combine the oats, baking soda, and salt.
  • Gradually add the dry ingredients to the wet mixture until fully incorporated.
  • Fold in the chocolate chips, peanut butter chips, white chocolate chips, and mini M&M’s (if adding).
  • Use a cookie scoop or large spoon to drop mounds of dough about 2 inches apart on the prepared baking sheets.
  • Bake for 10–12 minutes until the edges are set but centers are still soft.
  • Let cookies cool on the baking sheet for a few minutes, then transfer to a wire rack to cool completely.

Nutrition

Calories: 266kcal | Carbohydrates: 39g | Protein: 6g | Fat: 10g | Saturated Fat: 3g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 4g | Trans Fat: 0.02g | Cholesterol: 1mg | Sodium: 143mg | Potassium: 189mg | Fiber: 3g | Sugar: 21g | Vitamin A: 4IU | Vitamin C: 0.02mg | Calcium: 44mg | Iron: 2mg