No Bake Butterscotch Bars

1 cup sugar
2 beaten eggs
3/4 cup margarine
2 cups graham cracker crumbs
2 cups miniature marshmallows
1 cup coconut
1/2 cup pecans
1/2 cup peanut butter
1 pkg. butterscotch chips

Cook sugar,eggs, and margarine over low heat, stirring constantly for about 5 min. Cool, then add graham cracker crumbs, marshmallows, coconut, and nuts, Put mixture in a lightly greased 9 x 13 pan. Melt peanut butter and butterscotch chips, then spread over top for frosting. In warm weather, refrigerate.