Peanut Butter M&m Cookie Recipe. Whisk together the flour baking powder baking soda and salt in a medium bowl. Preheat oven to 375 degrees.
Add the sugar brown sugar egg and milk. Heat oven to 350 degrees. This recipe does require a stand mixer with a paddle attachment or a very large bowl and an electric hand mixer.
Blend in beaten eggs.
Stir together Peanut Butter Sugar and Egg with a large wooden spoon until well combined. Drop by heaping tablespoon onto prepared baking sheet. In a smaller bowl mix the dry ingredients with a whisk. Stir in oats and MMs.