Rich and addicting.

1 c. butter
2 (8oz.)packages cream cheese (not reduced fat)
1 c. brown sugar
2 eggs
2 cups flour
1 tsp. vanilla
2 cups nuts, chopped
1 tsp. lemon juice
1/2 cup sugar

Mix together butter, flour, brown sugar and chopped nuts; reserve 2 cups for topping. Press remaining crumbs into a 9x13 pan. Bake at 350 degrees for 12 to 15 min. Cream 1/2 cup sugar and cream cheese. Add eggs, vanilla and lemon juice. Spread on baked crust. Sprinkle crumbs on top. Bake at 350 degrees for 25 min.