½ cup unsalted butter

½ cup light brown sugar

¼ cup white sugar

? cup peanut butter

1 egg

1 tsp vanilla extract

½ tsp baking soda

1¼ all-purpose flour

½ cup quick oats

½ cup M&M's

½ cup chocolate chips (optional)

Preheat oven to 220°.
Line a baking tray with baking paper.
In a medium bowl cream butter with sugars using a hand mixer. Mix in egg, vanilla and peanut butter.
Using a spoon mix in baking soda and flour but do not over mix.
Fold in M&M's and chocolate chips. (or if you prefer, add them to the top of the rolled dough balls)
Roll dough balls with your hands and place onto prepared tray. Bake for 8-10 minutes. After the cookies come out of the oven, gently press them down with your fingers if you don't like cakey cookies. The cookies will look under baked, but do not worry about that as they will firm up as they cool.