Ingredients:
1/2 cup butter, softened
1 cup sugar
1 teaspoon vanilla
2 eggs
1 teaspoon baking soda
1 1/2 cups flour
1/2 cup sour cream
1 cup mashed banana
1/2 cup graham crackers, crushed (can have some pieces)
3/4 cup mini chocolate chips
3/4 cup mini marshmallows
Do It And How 
I love your posts. Simple, instructive, and tasteful.