INGREDIENTS
3 cups
graham cracker crumbs, about 25-27 rectangular crackers (this is best done in a food processor or blender, but can be done by placing the graham crackers in a zip-lock bag and rolling over the crackers with a rolling pin)
3/4 cup
unsalted butter, melted
1/2 cup
granulated sugar
3 cups
plus 3 tablespoons all-purpose flour
3/4 tsp
baking powder
3/4 tsp
baking soda
3/4 tsp
salt
3/4 cup
unsalted butter, room temperature
1 1/2 tbsp
vegetable oil
1 1/2 cups
granulated sugar
1/3 cup
light brown sugar
3
large or extra large eggs, room temperature
1 1/2 cups
buttermilk
1 1/2 tsp
pure vanilla extract
3
medium-sized bananas, mashed
16
large white marshmallows
1 cup
powdered sugar, sifted
1 cup
unsalted butter, room temperature
1/2 tsp
pure vanilla extract
1
jar (about 200 g) marshmallow fluff
5 cups
confectioners' sugar, sifted
2 cups
unsalted butter, at room temperature
1 cup
Nutella
1 tsp
pure vanilla extract
1/4 tsp
hazelnut extract
2 tbsp
heavy whipping cream