Red Velvet Marble Cake Recipe: How to Make It

Ingredients

• 3/4 cup butter, softened
• 2-1/4 cups sugar
• 3 large eggs
• 4-1/2 teaspoons white vinegar
• 1-1/2 teaspoons vanilla extract
• 3-3/4 cups cake flour
• 1-1/2 teaspoons baking soda
• 1-1/2 cups buttermilk
• 3 tablespoons baking cocoa
• 4-1/2 teaspoons red food coloring
• FROSTING:
• 1 cup butter, softened
• 9 cups confectioners' sugar
• 3 teaspoons vanilla extract
• 2/3 to 3/4 cup 2% milk