Lisa s Banana Butter Frosting

1 cup mashed banana

1 teaspoon lemon juice

¼ teaspoon salt

½ cup unsalted butter, softened

7 cups powdered sugar

Beat mashed banana, lemon juice, and salt in a large bowl with an electric mixer on medium speed for 30 seconds. Beat in softened butter until creamy, about 1 minute. Slowly beat in powdered sugar, 1 cup at a time, until smooth.