1 box Duncan Hines cake mix (white)
1/2 tsp. salt
1 tsp. lemon flavoring
2 tsp. vanilla
1/4 tsp. butter flavoring
2 eggs
1 1/3 c. milk

ICING:

1 box confectioners' sugar
1/3 c. shortening
1/2 tsp. salt
1 tsp. vanilla
1/2 tsp. lemon flavor
1/8 tsp. butter flavor
1/3 c. water
1/2 tsp. cream of tartar