Banana Spice Cake with Lemon Cream Cheese Frosting

Name: Banana Spice Cake with Lemon Cream Cheese Frosting
Ingredients: Cake; 3 cups all purpose flour; 1/2 teaspoon baking powder; 1 teaspoon baking soda; 3 teaspoons cinnamon; 3/4 teaspoon salt; 1/2 teaspoon ginger; 1/2 teaspoon mace; 1/4 teaspoon clove; 1/2 teaspoon nutmeg; 2 bananas peeled & mashed up good; 1 cup unsalted butter; 1/2 cup shortening; 1/2 cup sugar; 3/4 cup packed brown sugar; 1 teaspoon lemon zest; 5 eggs; 1 teaspoon vanilla extract; 1 teaspoon fresh lemon juice; 3/4 cup buttermilk; Lemon Cream Cheese Frosting; 16 ounces cream cheese; 3/4 cup unsalted butter; 1/2 teaspoon salt; 2 tablespoons lemon juice; 4 teaspoons lemon zest; 2 teaspoons lemon extract; 4 to 5 cups powdered sugar