1 Preheat oven to 350 degrees F (175 degrees C). Grease and flour a 9x13 inch pan.
2 In a large bowl, stir together cake mix and pudding mix. Make a well in the center and pour in 4 eggs, oil and the lemon-lime soda. Beat on low speed until blended. Scrape bowl, and beat 4 minutes on medium speed. Pour batter into prepared pan.
3 Bake in the preheated oven for 40 minutes, or until a toothpick inserted into the center of the cake comes out clean. Allow to cool.
4 Make cooked pineapple topping: Into large saucepan, combine crushed pineapple, butter, 1 beaten egg, and flour. Cook over low heat until thick. Pour over cake. Keep in the refrigerator.
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