INGREDIENTS
3 cups
all-purpose flour
2 tsp
baking soda
1/2 tsp
salt
2 sticks
unsalted butter, at room temperature (8 ounces)
2 cups
sugar
2 tsp
pure vanilla extract
2
large eggs, preferably at room temperature
About 4 very ripe bananas, mashed (you should have 1 1/2 - 1 3/4 cups)
1 cup
sour cream or plain yogurt