Lemon Cheesecake

Directions

1. 1
   Cream sugar and egg yolks, add remaining ingredients.
2. 2
   Cook in a double boiler until as thick as jelly.
3. 3
   Cool completely and fill layers and top
4. 4
   Beat butter and lemon rind until fluffy.
5. 5
   Alternately add confectioners sugar and lemon juice.
6. 6
   Beat until smooth and of spreading consistency.
7. 7
   Ice sides or cake after filling and stacking.
8. 8
   Spread a circle on top of cake, then fill in with more lemon filling.