INGREDIENTS
2 cups
all-purpose flour
1 tsp
baking soda
1/4 tsp
kosher salt
1
large egg
1 cup
+ 2 tablespoons granulated sugar
1/2 cup
vegetable oil
2 tbsp
buttermilk
1/2 tsp
vanilla extract
3
ripe medium-large bananas (mashed)
1/2 cup
+ 1/3 cup chopped walnuts (divided)