Trifle Pineapple Dessert
["1 angel food cake, cut into 1-inch pieces*", "2 big boxes vanilla pudding", "5 c. milk", "1 regular can crushed pineapple", "1 (8 oz.) sour cream", "1 regular size Cool Whip"]
["*To cut cake, cut into slices and then cube."]
["cake", "vanilla pudding", "milk", "regular", "sour cream", "regular"]