Make crumb mixture.

Mix together: 1/3 c. melted butter 1 c. flour

Save out 1 cup of mixture. Press remainder into bottom of 8 inch square pan.

Blend well together: 1/4 c. sugar 1 egg 1 tbsp. lemon juice 1 tbsp. milk 1/2 tsp. grated lemon rind 1 tsp. vanilla

Spread over crumb mixture. Top with remaining 1 cup crumbs (sprinkle on top). Bake at 25 minutes at 350 degrees.