2/3 c. brown sugar
2 c. sifted flour
2/3 c. melted butter
2 (8 oz.) pkgs. softened cream cheese
1/2 c. sugar
2 eggs
2 c. sour cream
1 tsp. vanilla

Preheat oven to 350 degrees. Combine brown sugar, flour and butter. Stir until light and crumbly, and press into an ungreased 9 x 13 inch pan. Bake for 15 minutes. Combine cream cheese, sugar, eggs, sour cream and vanilla; beat until smooth. Pour over baked crust and continue to bake at 350 degrees for 30 minutes or until done. Cut into squares when cool.