Grease and flour a 9 inch round pan.
													
																	Marble cake round pan. 
									
	
		
	
																	Add the eggs one at a time mixing for about 20 seconds after each addition. 
																	In a medium bowl whisk together the flour cornstarch baking powder baking soda and salt. 
																	Mix together all dry ingredients flour baking powder sugar and salt in a stand mixer with a paddle until fully combined. 
																	Variations for marble cake. 
															
													
									
	
		
	
																	I chose to bake this recipe up in 3 6 inch diameter round pans but it can also be made in 2 8 inch pans or 9 inch pans or you could make it in a 9 13 inch pan just be sure to adjust the bake times as needed if you re making it differently than what you see here. 
																	6 2 inch round pan holds 4 cups of batter the same as an 8 4 inch loaf pan. 
																	You can use 1 regular loaf pan 9x5 inch 1 square pan 9x9 inch or 8x8 inch or 1 round pan to make this recipe. 
																	If so use 1 tablespoon cocoa powder to mix the batter. 
															
													
									
	
		
	
																	In a large bowl beat the oil butter and sugar together until light and fluffy about 5 minutes. 
																	Preheat oven to 350 degrees f 175 degrees c. 
																	Butter and flour or generously spray with a non stick cooking spray a 10 cup bundt pan see note. 
																	Marble with other flavors adding peppermint or almond extract to one of the batters try stirring in peanut butter powder give it a chocolate swirl and frost with peanut butter frosting. 
															
													
									
	
		
	
																	How to bake marble cake. 
																	Adjust the oven rack to middle position and preheat the oven to 350f 180c. 
																	See my 6 inch cakes for more information. 
																	I used 3 mini loaf pans to make the marble cake. 
															
													
									
	
		
	
																	Begin by making the vanilla cake batter. 
																	You may cut down the chocolate portion to 1 3 of the batter. 
																	Make these marble cupcakes by filling your lined muffin tin 1 2 way with chocolate batter and a spoonful of vanilla batter. 
																	Cupcake recipes yielding 12 16 cupcakes fit wonderfully in 3 6 inch cake pans. 
															
													
									
	
		
	
																	Preheat oven to 350 f. 
																	8 2 inch round pan holds 6 cups of batter. 
																	Prepare two 8 inch round cake pans by buttering or spraying and then adding a piece of parchment to the bottom of the pan. 
																	Preheat the oven to 350 f grease and lightly flour 2 9 inch round cake pans. 
															
													
									
	
		
	
																	Spray a 10 in 12 cup bundt pan generously with nonstick cooking spray with flour such as baker s joy or pam with flour.