1/3 c. butter
1/3 c. brown sugar (packed)
1 c. flour
1/2 c. nuts, chopped fine

Mix the above and reserve 1 cup of the crumb mixture for topping. Press into 8 inch square pan. Bake at 350 degrees for 12 to 15 minutes.

Mix:

1/4 c. sugar
1 pkg. (8 oz.) cream cheese

Blend together and add:

1 egg
2 tbsp. milk
1 tbsp. lemon juice
1/2 tsp. vanilla

Beat well and spread over top of baked crust. Sprinkle with remaining cup of crumb mixture. Bake 25 minutes.