Banana Pineapple Upside Down Cake

Another version of hawaiian upside down cake! From university of hawaii website.

Cream butter and sugar , add beaten egg.

Sift flour , baking powder and salt , add gradually with milk to butter mixture.

Fold in mashed banana.

Melt butter and sprinkle brown sugar through it on bottom of pan , 8 inches square or small angel food pan.

Add well drained crushed pineapple and chopped nuts.

Pour batter over this mixture and bake in pre-heated oven of 350 degrees for 20-30 minutes.

butter, sugar, egg, milk, flour, baking powder, salt, banana, crushed pineapple, nuts, brown sugar