This red velvet marble cake recipe is perfect for those who love red velvet cake. The recipe uses red food coloring and cocoa powder to create a beautiful swirl of red and chocolate. The cake is moist and tender with a rich chocolate flavor. It's perfect for any occasion and can be served as a dessert or with a cup of coffee or tea. The recipe uses simple ingredients like flour, sugar, eggs, butter, and milk. The cake is baked in a loaf pan and can be stored in an airtight container for up to 3 days.