3 eggs
1 stick butter
1 c. brown sugar
1 c. white sugar
1 tsp. vanilla
1 1/4 c. peanut butter
4 1/2 c. quick oats
1 2/3 c. M&M'S®

Blend together butter, peanut butter, and sugars, then add eggs and vanilla. Add oats then M&M'S®. Roll into walnut-size balls and flatten slightly. Bake on greased cookie sheet 10 to 13 minutes in preheated 350 degree oven.