Mary’s Monster Cookies

1 cup butter
1 cup brown sugar
1 cup white sugar
3 eggs
1 teaspoon vanilla
1 ½ cup peanut butter
4 ½ cup oatmeal
6 ounce package of chocolate chips
6 ounce M&Ms

Cream butter and sugar, then add eggs, vanilla and peanut butter.
Mix well.
Add oatmeal, chips and M&Ms.
Put on a baking sheet and bake 10-12 minute at 350 F.
You can customize by adding coconut, walnut, butterscotch chips, etc.
Makes four dozen.