Reese's Pieces Peanut Butter Oatmeal Cookie Recipe

Stack of oatmeal Reese's monster cookies.

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Reese's Pieces Peanut Butter Oatmeal Cookie Recipe

This Reese's Pieces Peanut Butter Cookies Recipe is loaded with Reese's pieces, peanut butter and oatmeal and sure to be your new favorite!

Course Baking, Dessert

Cuisine American, British

Diet Vegetarian

Prep Time 10

Cook Time 12

Servings cookies

Calories 147kcal

Author Lise Sullivan Ode

Ingredients

½ cup unsalted butter, softened
½ cup peanut butter
½ cup light brown sugar, packed
½ cup granulated sugar
1 large egg
¾ cup all purpose flour
1 teaspoon baking soda
1 ½ cups quick oats
1 cup Reese's Pieces or M&M candies

Instructions

Preheat your oven to 350 degrees and prepare a lined baking sheet with parchment paper or reusable sheets.
In a large bowl, cream together butter, both the sugars, and peanut butter with a stand or electric mixer. Beat on medium speed until it is light and fluffy or for about 4 minutes.
Add the flour, oats, and baking soda to a separate medium bowl. Whisk until fully combined. Then with the mixer on a low speed, slowly add the wet ingredients to your dry ingredients . Mix together with the electric/stand mixer and when it turns into a dough. Combine the rest with a rubber spatula to get everything mixed together. Stir in 8 ounces of Reese's pieces by hand with a spatula.
Then measure out about 2 tablespoons of cookie dough with a cookie scoop to make 24 cookies. Shape dough into cookie dough balls with your hands and place them on your sheet pan, for the best results place a few extra Reese's pieces on top. Bake for 10 to 12 minutes (depending on your oven, I did exactly 12 minutes) or until the edges are golden brown and still a little under cooked on the top of the cookies. Wait a few minutes after you take them out of the oven then place the cookies on a wire rack. Let them cool a little more before taking a bite!
Store cookies in an airtight container at room temperature for up to a week.

Video

Notes

Can I freeze these cookies? If you want to store them for even longer, then place them in a freezer-safe container and freeze them for up to 3 months. Make sure they are thawed completely before eating.

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