Dream Bars

1/2 cup margarine, melted

1 1/2 cups graham cracker crumbs
One 14 oz. can sweetened condensed milk
1 cup semi-sweet chocolate chips
1 cup butterscotch chips
1 1/2 cups flaked coconut
3/4 cup chopped pecans (optional)

Place melted margarine in the bottom of a 9 x 13 pan.  Sprinkle graham cracker crumbs over the melted margarine.  Pour sweetened condensed milk evenly over the top.  Sprinkle chocolate and butterscotch chips over that, then the coconut and pecans, if desired.  Press down gently.  Bake at 350 degrees for about 30 minutes.