Monster Cookie Recipe

Make a chewy peanut butter cookie loaded with oats, chocolate chips and m&ms

Course Dessert

Cuisine American

Keyword monster cookie recipe, monster cookies, monster cookies recipe

Prep Time 10

Cook Time 15

Servings cookies

Calories 311kcal

Mix butter together with brown sugar and sugar using an electric mixer hand mixer or a stand mixer until smooth and fluffy.
Add egg, peanut butter and vanilla extract to the bowl and mix again.
In a separate bowl combine the flour, oats, baking soda and salt. Pour the dry ingredients into the wet and mix again with the electric mixer.
Fold the M&Ms and chocolate chips into the batter with a flat spatula
Cover the bowl with the dough and place it in the fridge to chill for at least 30 minutes.
While that chills, preheat the oven to 350F and line a baking sheet with parchment paper.
Scoop out about 3 tbsp of the dough with a cookie scoop and roll into a ball. Place on the baking sheet and bake at 350F for 15 minutes.
Cool on a wire rack before enjoying

Store the cookies in an air tight container at room temperature for up to 4 days on the counter or up to a week in the fridge.
Freezer Instructions:
- Freeze before baking - scoop into balls and place on a lined baking sheet to freeze fully before transferring to an airtight freezer safe container. Bake from frozen at 325F for 17-18 minutes.
- Freeze after baking - cool completely and transfer to an airtight freezer safe container. Allow to thaw in the fridge or on the counter. Warm gently in the oven or toaster oven at 250F for 4 minutes if desired.