Ingredients:
1 2/3 cups (236g) all-purpose flour (scoop and level to measure)
1 tsp baking powder
1/2 tsp baking soda
1/2 tsp salt
8 Tbsp (113g) unsalted butter, melted*
3/4 cup (160g) granulated sugar*
2 large eggs
1 1/3 cups (325g) well mashed overripe bananas (about 3 1/2 medium bananas, be sure to measure)
1/4 cup (63g) sour cream
1/2 tsp vanilla extract