Preheat oven to 350 degrees F.
Drain juice from pineapple and set aside.
In a 10 inch oven proof skillet or baking pan add butter and brown sugar. Slowly simmer on top of stove for 2-3 minutes until melted and bubbly.
Turn off stove top and add pineapple slices to cover bottom of pan. Place one cherry in the center of each pineapple slice. Set the pan aside.
Beat 2 egg yolks
Add 3/4 cup sugar, 4 TBL reserved pineapple juice, 1 cup of flour, and 2 tsp of baking powder. Blend with a hand mixer just until creamy. Don't overmix.
Beat egg whites in a clean bowl until stiff peaks form. Then with a spatula and by hand, gently fold in the egg whites just until the last bit of white has been added.
Pour into pan and bake at 350 F for 25-30 minutes.
While still hot invert on cake plate. Best served when warm with a little bit of whipped cream.