Magic Cookie Bars

1/2 C. butter 1 1/2 C. (roughly 1 pkg or a little more) graham cracker crumbs 1 can sweetened condensed milk 1 (6 oz.) pkg of chocolate chips 1/3 C. flaked coconut 1 C. chopped nuts (pecans) Preheat oven to 350 degrees. Layer in order in 9x13 pan. Bake 25-30 minutes or until browned. Cool. Chill. Cut into bars. Store loosely covered at room temperature.