Combine flour, sugar and lemon zest, and make a well in the center. Add egg yolk, butter and vanilla extract. Work quickly to blend well, adding water if needed to make it stick together. Wrap in wax paper and chill for 1 hour. Roll out 1/8-inch thick and place over the greased bottom of a 9-inch springform pan. Trim. Bake at 400° F for 15 to 20 minutes. Cool.
Butter the sides and place over base. Roll the remaining dough 1/8-inch thick and line sides of pan. Fill with filling.
Gradually add sugar to cream cheese with electric mixer at medium speed. Gradually beat in the flour. Continuing to beat, add the remaining ingredients in order listed. Pour into baked shell. Bake at 450° F for 10 minutes. Reduce heat to 250° F and continue baking for one more hour. Remove to rack to cool for two hours.
In small saucepan, combine sugar and cornstarch. Stir in remaining ingredients. Over medium heat, bring to boiling, stirring; boil one minute or until thickened and translucent. Cool. Spread surface of cheesecake with glaze; refrigerate until well chilled ? three hours or overnight.
o serve: loosen pastry from side of pan with spatula. Remove side of springform pan. Garnish with sliced strawberries, if desired. Cut into wedges.Makes 4 Source: