Best Ever Thick and Chewy Monster Cookie
Indulge in these thick and chewy monster cookies, packed with flavors of chocolate, peanut butter, oats, and colorful M&Ms.
Ingredients
Wet Ingredients
- 1 cup unsalted butter, softened Use room temperature butter for best results.
- 1 cup brown sugar, packed
- 1 cup granulated sugar
- 2 large eggs Add eggs one at a time.
- 1 teaspoon vanilla extract
Dry Ingredients
- 3 cups rolled oats
- 1 cup all-purpose flour
- 1 teaspoon baking soda
- 1/2 teaspoon salt
Mix-ins
- 1 cup semi-sweet chocolate chips
- 1/2 cup peanut butter chips
- 1/2 cup M&Ms (or any candy of your choice) Feel free to substitute with your favorite candy.
Instructions
Preparation
- Preheat your oven to 350°F (175°C). Line a baking sheet with parchment paper.
- In a large mixing bowl, cream together the softened butter, brown sugar, and granulated sugar until light and fluffy.
- Add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.
- In another bowl, mix the oats, flour, baking soda, and salt together.
- Gradually add the dry mixture to the wet mixture, stirring until just combined. Do not overmix.
- Fold in the chocolate chips, peanut butter chips, and M&Ms until evenly distributed.
Baking
- Using a cookie scoop or tablespoon, drop rounded balls of dough onto the prepared baking sheet, leaving space between each cookie to allow for spreading.
- Bake in the preheated oven for 10-12 minutes until the edges are golden but the centers are still soft.
- Let the cookies cool on the baking sheet for a few minutes before transferring to a wire rack.
Notes
Store cookies in an airtight container at room temperature for up to one week. For longer storage, freeze them in a freezer-safe bag for up to three months.