my family has passed this recipe down :)

1 1/2 cups flour, 1 tsp baking soda, pinch of salt, mix 1/2 cup sugar, 1/2 cup brown sugar, 1 egg, 1/2 tsp vanilla, 1/2 cup melted butter, mix 3 ripe, mashed bananas, then mix with all other ingredients add chocolate chips in the batter, top with marshmallows and hershey bars and crushed gra