Chocolate Butterscotch Squares

1 ½ cups graham cracker crumbs

1 (14 ounce) can sweetened condensed milk

1 cup semisweet chocolate chips

1 cup butterscotch chips

1 cup chopped walnuts

Preheat oven to 350 degrees F (175 degrees C). Line a 9x9 inch square pan with aluminum foil and grease generously.

In a medium bowl, mix together the graham cracker crumbs, sweetened condensed milk, chocolate chips, butterscotch chips and walnuts until well blended. Press mixture into very well greased 9 inch square pan.

Bake at 350 degrees F (175 degrees C) for 30-35 minutes. Cool for 45 minutes, remove from pan, peel off foil and cut into 1-1/2 inch squares.