Marble Bundt Cake - Gluten Free, Eggless

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This classic gluten free marble bundt cake recipe is super easy, perfectly sweet, and extra delicious. It's hands down one of my favorite cakes to make (and eat!).

If I HAD to pick a favorite cake, it would be marble cake hands down. Think about it... you get the best of both worlds: rich chocolate cake and perfectly sweet vanilla. And so I thought it was about time that I shared a gluten free and eggless marble cake!

If you don't already know this about me, I love making bundt cakes. I will honestly pull out my bundt cake pan any chance I get! Remember my chocolate chip cake and my cinnamon roll cake? Something about a bundt cake just feels retro and nostalgic. I probably have more bundt pans than any one person should have. But back to the marble cake...

This gluten free marble bundt cake is so fluffy and moist, thanks to the buttermilk (I make my own using white vinegar and whole milk) and Greek yogurt. It's not an overly large cake, as you can see, but I really think you get the perfect amount of both chocolate and vanilla in every slice.

To top this cake off, you can always frost it or make a chocolate ganache, but I opted for a very light dusting of powdered sugar. I love keeping things simple and really letting that rich chocolate + vanilla flavor shine!

Why You'll Love This Gluten Free Marble Cake...

• It's SO buttery soft and moist. Seriously, just look at the inside of that slice.
• While it might look like a lot of ingredients and steps, it's really a very easy and straightforward marble cake recipe.
• It doesn't have to be perfect! Each marble bundt cake will look a little different, based on how the marble forms as it bakes and whether or not you swirl the batter... but it will always be beautiful and delicious.

What You'll Need...

• The dry ingredients: flour for structure + baking powder and baking soda for leavening + salt for flavor.
• The fat: two sticks of unsalted butter.
• The flavor: sugar + vanilla + melted chocolate (we're using real chocolate and not cocoa powder for our chocolate cake batter).
• For moist and fluffy texture (and a bit more flavor): Greek yogurt + buttermilk.

How To Make Marble Bundt Cake From Scratch...

The overall process for this eggless marble cake is similar to any classic cake recipe. You'll start by whisking together your dry ingredients in a small bowl. Next, cream the butter with the sugar until it's nice and fluffy. Add in the vanilla extract and the yogurt and mix.

Now you'll add in your dry ingredients, alternating with the buttermilk. Start with ⅓ of the dry ingredient mixture, then half the buttermilk, then another ⅓ of the dry ingredients, then the rest of the buttermilk and the rest of the dry mixture.

Make sure you are beginning and ending with the dry ingredients, and stop to briefly mix between each addition. Stir on low speed until your batter is nice and smooth.

Now it's time to make the chocolate batter! Scoop out one cup of cake batter and place into a separate bowl. Stir in the melted chocolate until thoroughly combined.

And we're almost done! Pour half the vanilla cake batter into your bundt pan, then pour the chocolate batter directly on top. Finish with the rest of the vanilla batter.

Now, you can leave as is or you can use a butter knife to gently swirl the batter. This part is entirely up to you and how you want your finished marbling to look!

Bake on 350ºF for 35-40 minutes. Allow your marble bundt cake to cool before inverting onto a plate or cake stand.

Marble Bundt Cake Ingredient Substitutions

• To make this marble cake vegan, you can try substituting your favorite non-dairy butter and yogurt, and making your own buttermilk using non-dairy milk (such as soy milk). I haven't tested it this way so please let us know in the comments if you try it!

• I wouldn't recommend substituting whole milk instead of buttermilk, because it would have an affect on the recipe overall. If you don't have buttermilk on hand, make your own! Add one tablespoon of white vinegar to a liquid measuring cup, then fill the rest of it up with milk until you reach 1 cup. Let the mixture sit for a few minutes, then stir and add to your batter as instructed.

Did you make my marble bundt cake? Tag me on Instagram @justastastyblog and #justastastyblog.

Note: this post was originally published on Just As Tasty in July 2020. I updated the post in December 2020 to include new photos and more context. I also made adjustments to the overall recipe.