3 c. blueberries (fresh or frozen)
1 (15 1/2 oz.) can crushed pineapple in its own juice (use juice also)
1 pkg. yellow cake mix
1 stick butter
1/4 c. sugar
1 c. nuts - pecan or sliced almonds

Mix blueberries and crushed pineapple, including juice. Pour into lightly buttered sheet cake pan. Cover this mixture with the cake mix. Melt the stick of butter and pour over the top of cake mix distributing well. Sprinkle the chopped nuts on top, then sprinkle the sugar over nuts.