1 tbsp. butter, softened
1/2 c. zwieback

Mix.

Press in 9 inch well greased spring-form pan.

1 lb. ricotta cheese
8 oz. cream cheese, softened
1 c. sugar
1 pkg. instant vanilla pudding

Mix.

4 eggs
1 c. whipping cream
1 tsp. lemon juice
1 tsp. grated lemon rind