CRUST:

1 c. sifted flour
1/4 c. sugar
1 tsp. grated lemon peel
1/2 c. butter
1 egg yolks, slightly beaten
1/4 tsp. vanilla

Combine flour, sugar, and lemon peel. Cut in butter until mixture is crumbly. Add egg yolk and vanilla; blend thoroughly. Pat 1/3 dough on bottom of 9 inch springform pan, side removed. Bake in oven at 400 degrees about 6 minutes, or until golden brown. Pat remaining dough evenly on side to a height of 2 inches.

CHEESE FILLING:

5 (8 oz.) pkg. cream cheese, softened
1/4 tsp. vanilla
3/4 tsp. grated lemon peel
1 3/4 c. sugar
3 tbsp. flour
1/4 tsp. salt
5 eggs
2 egg yolks
1/4 c. heavy cream

Beat cream cheese until fluffy. Add vanilla and peel. Mix sugar, flour and salt. Gradually blend into cheese. Add eggs and yolks one at a time, beating well after each. Gently stir in cream. Turn into crust-lined pan. Bake in 500 degree oven for 5-8 minutes, or until top edge of crust is golden brown. Reduce temperature to 200 degrees. Bake 1 hour and 30 minutes longer. Cool in pan about 3 hours. Remove side of pan. Add favorite glaze and serve. (Hint: Chill in refrigerator before serving.)