1 sm. box Jello pudding and pie filling mix (lemon)
1 c. water (or juice from canned pineapple and water to equal 1 c.)
1 lg. can crushed pineapple, drained
1 1/4 c. sugar
2 whole eggs, beaten

Mix all ingredients together in a microwave safe bowl. Microwave cook on high setting 4 minutes. Stir. Cook 4 more minutes until thick. After mixture thickens, cook an additional 2 minutes. Remove and cool.

Bake a yellow cake mix, according to package directions in 3 layers. Cool. Place pineapple-lemon filling between cake layers and on top of cake. Refrigerate cake overnight. Ice with Cool Whip topping or whipped cream. Refrigerate leftovers.