INGREDIENTS
1 cup
firmly packed light brown sugar
salt
1/2 cup
butter, divided
1
medium-size peeled and cored pineapple
1 1/4 cups
granulated sugar
2
large eggs
1 tsp
vanilla extract
1 1/2 cups
all-purpose flour
1 tsp
baking powder
1/4 tsp
salt
1/2 cup
sour cream
2
egg whites