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Ingredients
For the Cake
- 1/2 cup butter, melted
- 1 cup sugar
- 1/2 cup brown sugar
- 1/2 cup mashed ripe banana
- 1/4 cup sour cream
- 1 egg
- 2 teaspoons vanilla extract
- 2 cups shredded zucchini
- 2 cups flour
- 1 teaspoon salt
- 1 teaspoon baking soda
- 1 teaspoon cinnamon
- 1/2 teaspoon nutmeg
For the Frosting
- 1/4 cup butter, softened
- 1/4 cup marshmallow cream
- 1/4 cup salted caramel ice cream topping
- 1/2 teaspoon salt
- 1/2 teaspoon cinnamon
- 2 1/4 cup powdered sugar
- 1/4 cup heavy whipping cream
Instructions
- Preheat the oven to 350 degrees. Spray a 9×13 baking pan with non-stick baking spray.
- Beat the butter and sugars until mixed together. Add the banana, sour cream, egg, and vanilla and mix again.Stir in the zucchini.
- Stir together the flour, salt, baking soda, cinnamon, and nutmeg. Slowly add the dry ingredients and beat until mixed together.
- Spread in the prepared pan. Bake for 35-37 minutes, or until a toothpick inserted in the center comes out mostly clean.
- Remove and let cool completely.
- Beat the butter until creamy. Add the marshmallow cream, caramel topping, salt, and cinnamon and beat again.
- Add the powdered sugar and heavy whipping cream alternately until everything is mixed in. Beat on medium high until light and fluffy.
- Spread the frosting on top of the cooled cake. Cut into 24 squares. Store in a sealed container.