Beat cake mix water egg whites oil and vanilla in large bowl with an electric mixer at low speed 30 seconds.
													
																	Red and white marble cake. 
									
	
		
	
																	1 c unsalted butter softened 2 c granulated sugar 6 egg whites room temperature 2 tsp vanilla extract 3 4 tsp salt 4 tsp baking powder 3 c cake flour 1 c milk americolor super red food gel color americolor royal blue food gel color. 
																	Then pop the layers into the preheated oven for 34 35 minutes or until a toothpick comes out clean. 
																	Repeat with remaining cake layers. 
																	Red velvet swirl 1 3 cup unsweetened cocoa powder 1 3 cup unsweetened cocoa powder 5 tablespoons milk 5 tablespoons milk 1 tablespoons red food color 1 tablespoons red food color. 
															
													
									
	
		
	
																	Ingredients 1 cup butter at room temperature 1 cup butter at room temperature 2 cups granulated sugar 2 cups granulated sugar 1 tablespoon vanilla extract 1 tablespoon vanilla extract 2 large eggs at room temperature 2 large eggs at room temperature 4 large egg whites at room. 
																	1 cup butter softened 9. 
																	Spray or lightly butter two 9 inch cake pans. 
																	With a handheld or stand mixer fitted with a paddle attachment beat the butter on high speed in a large bowl until smooth and creamy about 1 minute. 
															
													
									
	
		
	
																	Try to create the lines using one continuous motion going up and down and then side to side. 
																	Box of white cake mix i use pillsbury 1 cup all purpose flour 1 cup granulated sugar 3 4 tsp salt 1 1 3 cup whole milk 2 tbsp vegetable oil 1 tbsp pure vanilla extract 3 4 cup sour cream 4 large egg whites room temperature red food coloring or gel paste blue food coloring or gel. 
																	Pour 1 cup batter into small bowl and stir in 1 4 teaspoon red food coloring. 
																	Sift the cake flour baking powder and salt together in a large bowl. 
															
													
									
	
		
	
																	Pour remaining white batter into pan.