½ cup butter
1 cup sugar
1 cup light brown sugar
2 teaspoons baking soda
1 tablespoon vanilla
1 12-oz jar (1 1/3 c) creamy peanut butter
4 ½ cups oats
1 6-oz package semisweet chocolate chips
1 8-oz package peanut (or plain) M&M’s
Preheat oven to 325 F
In a large mixing bowl, place the butter, sugar, and brown sugar; cream well with mixer. Add the eggs, one at a time, beating well after each addition. Add the baking soda and vanilla, blend well. Add the peanut butter, blend well. Add the oats, beat on medium speed until combined. Add the chocolate chips and M&M’s; stir in with a spoon.
Drop dough by spoonful on ungreased cookie sheets. Bake for 10-12 minutes, until very lightly golden.
Makes about 36 monster size, or 48 regular size cookies.