1 (18 ounce) package yellow cake mix
1 (3 ounce) package instant vanilla pudding mix
1 (3 ounce) package instant strawberry pudding mix
2 eggs
2 1/2 cups vegetable oil
1 (15 ounce) can crushed pineapple, drained
1 cup chopped pecans
Preheat oven to 350 degrees F (175 degrees C). Grease and flour 5 (9 inch) round pans.
In a large bowl, combine cake mix, pudding mix, and vanilla pudding mix. Beat with a large spoon or using electric mixer, until smooth. Stir in eggs and oil. Spread into prepared pans.
Bake in preheated oven for 30 minutes. Reduce heat to 350 degrees F (175 degrees C) and continue to cook for 10 to 15 minutes, or until toothpick inserted in center comes out clean. Remove from oven and allow to cool completely.
In a large bowl, combine pineapple, pecans, and chopped pecans. Spread pineapple mixture over cake layer. Roll and cover with remaining pudding mixture.