INGREDIENTS
1 stick
butter, melted (1/2 cup)
1/2 cup
white sugar
1/2 cup
brown sugar
2
eggs
2 tsp
vanilla extract
1 1/2 cups
all purpose flour
1 tsp
baking soda
1/2 tsp
salt
1/2 cup
sour cream or greek yogurt*
3
very ripe bananas, mashed (I usually use medium-large sized ones)