3/4 c. soft butter
3/4 c. white sugar
2 c. flour
Pinch of salt

FILLING:

1 can sweetened condensed milk
2 c. chocolate chips
1/2 tsp. vanilla
1/2 c. nuts, chopped

Mix butter, sugar, flour and salt together like a pie crust. Press 2/3 of mixture in 9 x 13 inch ungreased pan, save rest for top. Warm milk, vanilla and chips over low heat, careful not to burn, until chips are melted. Remove from heat and add nuts. Pour over crumb crust and sprinkle remainder of crumbs on top. Bake at 350 degrees for 25 minutes. Check at 20 minutes.