Banana Whoopie Pies with Nutella Cream Cheese Frosting

Ingredients

• 2 cups Flour
• 1/2 teaspoon Baking powder
• 1/2 teaspoon Baking soda
• 1/2 teaspoon Salt
• 1 teaspoon Cinnamon ground
• 1/2 cup Bananas mashed
• 1/2 cup Sour cream
• 1 stick Butter room temp
• 1/2 cup Sugar
• 1/2 cups Light brown sugar unpacked
• 1 Egg
• 1 teaspoon Vanilla