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

For crust, combine flour, sugar and lemon peel. Cut in butter until mixture is crumbly. Add egg yolk and vanilla. Blend thoroughly. Add egg yolk and vanilla. Blend thoroughly. Pat 1/3 of dough on bottom of 9 inch spring form pan (sides removed). Bake in hot oven 400 degrees about 6 minutes or until golden; cool. Butter side of pan and attach bottom. Pat remaining dough evenly on sides to a height of about 2 inches.

CHEESE FILLING:

3 tbsp. flour
1/4 tsp. vanilla
1 3/4 c. sugar
1/4 tsp. salt
2 egg yolks
5 (8 oz.) pkg. cream cheese
3/4 tsp. grated lemon peel
1 c. eggs (5 - 6)
1/4 c. heavy cream

Stir cream cheese to soften, beat 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 very hot oven 500 degrees 5 to 7 minutes, or until top edge of crust is golden. Reduce oven to 300 degrees. Bake 1 hour longer. Remove from oven, cool in pan about 3 hours. Remove side of pan. Glaze.