1/2 c Butter or margarined -softened 1 c Sugar 1 c Plus 2 Tablespoons firmly -packed brown sugar 3 Eggs 2 c Crunchy peanut butter 1/4 ts Vanilla extract 3/4 ts Light corn syrup 4 1/2 c Regular oats, uncooked 2 ts Baking soda 1/4 ts Salt 1 c M&M's 1 6 oz package semisweet -chocolate morsels Cream butter; gradually add sugar, beating well. Add eggs, peanut butter, vanilla, and corn syrup; beat well. Add oats, soda, and salt, stirring well. Stir in remaining ingredients. Drop dough by one-fourth cupfuls, four inches apart, onto lightly greased cookie sheets. Bake at 350 degrees for 12-15 minutes (centers of cookies will be slightly soft). Cool slightly on cookie sheets; remove to wire racks and cool completely.