Monster Cookies

1/2 cup butter
1 cup + 2T brown sugar
1 cup sugar
3 eggs
3/4 t corn syrup
1/4 t vanilla
1/4 t salt
2 t soda
2 c peanut butter
4 1/2 cups oats
12 oz pkg m and m's

Bake at 350 degrees.
Delicious!