1 box lemon Supreme cake mix
1 box instant lemon pudding mix
4 eggs
1 c. cooking oil
10 oz. 7-Up

Mix ingredients. (Should be enough for 4 layers.) Pour into cake pans.

Bake at 375°F. Let cool before frosting.

Filling:

1 large can crushed pineapple
3 egg yolks
2 c. sugar
3 tbsp. flour
1 stick butter
1 c. flaked coconut

Cook all ingredients over low heat until thick. Stir often to prevent sticking. Let cool before spreading over cake.