Cake:

1 box pineapple cake mix
1 pkg. pineapple instant pudding
1 10 oz. bottle of 7UP
3 eggs
3/4 c. oil

Mix well and bake at 325.

Icing:

1 can crushed pineapple
2 tbsp. flour
1 1/2 c. sugar
1/2 stick butter

Boil until thick. Ice cake.