Description
These Monster Cookie Bars pack all the flavors of your favorite monster cookies with half the effort – just press, bake, and slice for a chewy, candy-loaded treat everyone will devour.
Ingredients
Scale
- 1/2 cup (115g) unsalted butter, softened
- 1 cup (250g) creamy peanut butter
- 1 cup (200g) light brown sugar, packed
- 1/2 cup (100g) granulated sugar
- 2 large eggs, at room temperature
- 2 teaspoons vanilla extract
- 1 1/2 cups (150g) old-fashioned rolled oats
- 1 cup (125g) all-purpose flour
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 1 cup (200g) M&Ms candies
- 1 cup (175g) semisweet chocolate chips
- 1/2 cup (75g) roasted peanuts (optional)
Instructions
- Preheat your oven to 350°F (175°C). Line a 9×13-inch baking pan with parchment paper, leaving overhang on sides for easy removal.
- In a large bowl, beat butter and peanut butter until smooth. Add both sugars and beat until light and fluffy, about 3-4 minutes.
- Beat in eggs one at a time, then add vanilla extract and mix until combined.
- In a separate bowl, whisk together oats, flour, baking soda, and salt. Gradually add to wet ingredients, mixing just until combined.
- Fold in M&Ms, chocolate chips, and peanuts (if using), reserving about 1/4 cup of candies and chips for topping.
- Press dough evenly into prepared pan. Sprinkle reserved M&Ms and chocolate chips on top, gently pressing them into the surface.
- Bake for 22-25 minutes until edges are golden and center appears mostly set but still slightly soft.
- Cool completely in pan on a wire rack before lifting out using parchment paper handles.
- For cleanest cuts, refrigerate for 30 minutes before slicing into squares.