40 graham crackers (2" squares) (2 1/4 cups)
2 cans sweetened condensed milk
1/2 teas. salt
12 oz. choc. chips
1 1/2 cup walnuts

Put into buttered & floured 9 X 13 pan.
Bake at 350° for 25-35 minutes.
Let cool in pan 20 minutes & cut