Pineapple Nut Cake
["2 (20 oz.) cans crushed pineapple", "1 box yellow cake mix", "3/4 c. pecans, chopped", "2 sticks butter, cut into pieces", "whipped cream"]
["Preheat oven to 350\u00b0.", "Spread the pineapple into a greased 10 x 12-inch pan.", "Spread the cake mix over the pineapple; scatter the pecans over the cake mix and top with butter pieces.", "Bake for 45 minutes."]
["pineapple", "yellow cake mix", "pecans", "butter", "whipped cream"]