Grandma Briggs' Pineapple Upside Down

Batter:
1 cup sugar
1/3 cup shortening
1 egg
2/3 cup milk
1 tsp. vanilla
1 and 1/2 cup cake flour
2 tsp baking powder
1/2 tsp sal

Put 4 tbsp melted butter, 1/2 cup brown sugar and arrange pineapple on bottom on dish. Add batter and sprinkle 2 tablespoons of flour on top. Bake at 350 degrees for 30-40 minutes.