Take classic tasty cookie and turn it into these Monster Cookie Cupcakes. Filled with peanut butter, oatmeal, chocolate chips and mini M&M's, you cannot go wrong!
Preheat the oven to 350°F. Line a cupcake tin with liners, and set aside. In a small bowl, whisk together the flour, baking soda, baking powder, and salt.
Add the chocolate chips to a small bowl. Add 1 tablespoon of the flour mixture and stir to combine so all of the chocolate chips are coated, set aside.
In a large bowl, cream together the brown sugar, butter, and peanut butter until smooth using an electric hand mixer. Add the egg and vanilla, mix until smooth.
Add the cooled oatmeal and mix it in. Then, add the flour mixture, and mix it in until there are no dry patches. Add the chocolate chips and stir them in until just combined.