In a large mixing bowl, combine mashed bananas, milk, egg, maple syrup, peanut butter, baking powder, cinnamon, salt, and half of the chopped peanuts.
1 cup Milk, 2 Bananas, 1 large Egg, 2 Tablespoon Maple Syrup, 1/3 cup Peanut Butter, 1/2 teaspoon Baking Powder, 1/2 teaspoon Cinnamon, 1/4 teaspoon Salt