1 cup butter or margarine, softened
2 cups granulated sugar
2 cups packed brown sugar
3 cups peanut butter
6 eggs
1 1/2 teaspoons corn syrup
1 1/2 teaspoons vanilla extract
4 teaspoons baking soda
9 cups rolled oats
1/2 pound M&M's
1/2 pound semisweet chocolate chips

Preheat oven to 350 degrees F.

In a large bowl, cream together the butter, sugars and peanut butter until smooth. Beat in the eggs, two at a time, then stir in the corn syrup and vanilla extract. Mix in baking soda and oats until well blended. Stir in the chocolate candies and chocolate chips. Roll dough into 2-inch balls and place 3 inches apart on an ungreased cookie sheet. Flatten slightly with a fork.

Bake for 12 to 15 minutes. Cool on cookie sheets for a few minutes before transferring to wire racks to cool completely.

Yields 6 dozen.