ingredients3/4 cup salted butter softened (i useâ challenge butter)1 cup brown sugar, packed1/2 cup sugar1 egg1 tsp vanilla extract1 cup mashed bananas1 1/2 cup s all purpose flour1 1/2 tsp cinnamon1 tsp baking soda1/4 tsp ground cloves2 tsp cornstarch3 cup s old fashioned oats