Upside down Pineapple and Blueberry Cake

This cake was made less than an hour ago.
Only two people here, I only had a small piece.

White Cake:
 Beat together first 3 ingredients

1 cup of white sugar
Beat together
1/2 cup of butter
2 eggs

Add

2 tsp. vanilla 
1 1/2 cups flour
1 3/4 tsp. baking powder
1/2 cup milk

Prepare pan:

butter and add pineapple and blueberries
until bottom of a 9x9 pan is covered
spread  2 tbsp. brown suger over fruit
Bake 350 for 40 mins.