Chewy Monster Cookies
Soft, chewy, and irresistibly colorful, these Chewy Monster Cookies are packed with oats, M&Ms, peanut butter, and chocolate chips. Perfect for parties, bake sales, or family treats!
Ingredients
- ½ cup unsalted butter softened but still cold
- ½ cup granulated sugar
- ½ cup packed light brown sugar
- ½ cup creamy peanut butter
- 1 large egg
- ½ teaspoon vanilla extract
- 1 ¼ cups all-purpose flour
- ½ teaspoon baking soda
- ½ teaspoon salt
- 1 cup old-fashioned rolled oats
- 1 cup M&Ms plus extra to top cookies
- ½ cup mini semi-sweet chocolate chips
Instructions
- Preheat oven to 350°F (175°C) and line a baking sheet with parchment paper.
- In a large bowl, cream together butter, granulated sugar, and brown sugar until light and fluffy.
- Add peanut butter, egg, and vanilla; beat until smooth.
- In a separate bowl, whisk together flour, baking soda, and salt.
- Gradually stir dry ingredients into the wet ingredients until just combined.
- Fold in rolled oats, M&Ms, and chocolate chips.
- Scoop dough into rounded tablespoons on prepared baking sheet, spaced 2 inches apart.
- Press a few extra M&Ms on top of each dough ball.
- Bake 10–12 minutes until edges are golden and centers are soft.
- Cool on baking sheet for 5 minutes before transferring to wire rack.
Notes
- For extra chewiness, use cold softened butter and avoid overbaking.
- You can freeze dough balls and bake directly from frozen.
- Substitute M&Ms with Reese’s Pieces or other candy for variety.
- Make gluten-free by using GF-certified oats and flour blend.