Marble Bundt Cake
Marble bundt cake gives you chocolate and vanilla swirled into one tender, buttery slice. The crumb stays moist for days, and the swirl does the decorating for you. Bring it to a potluck or a holiday table and watch it disappear fast.
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Why This Marble Bundt Cake Recipe Works
This is the moistest marble bundt cake you will bake without reaching for a box mix. Most of the popular versions lean on milk alone or buttermilk alone. I use whole milk and sour cream together, so the crumb stays soft past day three.
The cocoa gets bloomed in hot water before it ever touches the batter. That one step deepens the chocolate flavor and keeps the dark swirl from tasting chalky. I tested it both ways, and the bloomed batch won every single time.
Bundt pans earn their keep at my house all year long. If you like this one, try my Neapolitan Bundt Cake for three flavors in one slice. My Bundt Cake Breakfast Recipe and Coconut Bundt Cake are easy weekend bakes too.
Ingredients For Marbled Bundt Cake
- Unsalted butter: Creams up light and gives the cake its rich, buttery flavor. Salted butter works if you halve the added salt.
- Granulated sugar: Sweetens the batter and traps air during creaming for a tender crumb.
- Large eggs: Bind everything together and add structure. Set them out ahead so they reach room temperature.
- Vanilla extract: Carries the vanilla half of the swirl. Pure extract tastes noticeably better here.
- All-purpose flour: Gives the batter enough backbone to hold that bundt shape. Spoon and level it.
- Baking powder: Lifts a heavy butter batter so the crumb never bakes up dense.
- Salt: Sharpens both the vanilla and the chocolate. Do not leave it out.
- Whole milk: Loosens the batter for a soft crumb. Buttermilk works and adds a gentle tang.
- Unsweetened cocoa powder: Makes the dark swirl. Dutch process bakes darker, and natural cocoa brings more bite.
- Hot water: Blooms the cocoa into a smooth paste. That is what deepens the chocolate flavor.
- Sour cream: Adds moisture and a little acidity for a softer crumb. Full-fat Greek yogurt swaps in fine.
How To Make Marble Bundt Cake
- Beat the butter and sugar until pale and fluffy, about three minutes.
- Add the eggs one at a time, mixing well after each one. Stir in the vanilla.
- Whisk the flour, baking powder, and salt together in a separate bowl. Add the dry mix and the milk to the butter in turns. Begin and end with the dry mix, then stir in the sour cream.
- Stir the cocoa powder and hot water into a smooth paste. Mix that paste into one-third of the batter.
- Spoon the vanilla and chocolate batters into the pan in alternating scoops. Swirl once with a knife.
- Bake 50 to 60 minutes, until a toothpick comes out clean. Cool 15 minutes, then turn out onto a rack.
Wendy’s Tips For Marbled Bundt Cake
- Grease with softened butter and a pastry brush: Spray skips right over the deep grooves. That is exactly where bundt cakes stick.
- Bring the butter, eggs, and sour cream to room temperature: Cold ingredients curdle the batter and bake up heavy.
- Swirl once, not five times: One slow pass with a knife keeps both batters distinct. Extra swirling turns the whole cake gray.
- Spoon and level your flour: Scooping straight from the bag packs in extra flour and dries out the crumb.
Common Mistakes to Avoid When Making Marbled Bundt Cake
- Filling the pan too full: The batter needs room to climb. Stop about two-thirds of the way up the sides.
- Opening the oven early: The center is still setting before the 45 minute mark. A rush of cool air can sink it.
- Letting it cool too long in the pan: Past 20 minutes the cake steams and grabs the grooves. Flip it at 15 minutes.
Frequently Asked Questions About Marbled Bundt Cake
Do you have questions about this marbled bundt cake recipe? Here are the answers to the ones I get most often.
The grooves usually did not get enough grease. Use softened butter and a pastry brush, then dust with flour. Turn the cake out at 15 minutes, since waiting longer lets it steam and grip.
Alternate spoonfuls of each batter instead of pouring one over the other. Then drag a knife through in one slow S shape. Stop right there, because extra swirling blends the two colors.
Yes, and it actually tastes better on day two. Bake it, cool it fully, then wrap it well at room temperature. The sour cream keeps the crumb soft while it sits.
No, it is moist enough to serve plain. A dusting of powdered sugar dresses it up for a party. Chocolate ganache is nice if you want it richer.
How to Store and Reheat
Storage: Keep the cake covered at room temperature for up to four days. A cake dome or a tightly wrapped plate both work well. The fridge dries out the crumb, so I skip it.
Freezing: Wrap the fully cooled cake in plastic, then in foil. It holds up in the freezer for three months. Thaw it overnight on the counter with the wrap still on.
Reheating: Microwave a single slice for 10 to 15 seconds. That softens the butter and wakes the chocolate flavor back up. For a whole cake, warm it at 300°F for about 8 minutes.
More Bundt Cake Recipes You Will Love
Marble Bundt Cake
Equipment
- Bundt pan (10 to 12 cup)
- stand mixer or hand mixer
- Large Mixing Bowl
- Medium Mixing Bowl
- small bowl
- whisk
- Rubber Spatula
- measuring cups and spoons
- butter knife
- wire cooling rack
Ingredients
- 1 cup unsalted butter softened
- 2 cups granulated sugar
- 4 large eggs
- 1 tablespoon vanilla extract
- 3 cups all-purpose flour
- 2 teaspoons baking powder
- ½ teaspoon salt
- 1 cup whole milk
- ¼ cup unsweetened cocoa powder
- 3 tablespoons hot water
- ½ cup sour cream
Instructions
- Heat the oven to 350°F. Grease a 10 to 12 cup bundt pan well, working into every crevice.
- Beat the butter and sugar together until light and fluffy, about 3 minutes.
- Add the eggs one at a time, mixing well after each one. Stir in the vanilla extract.
- In a separate bowl, whisk the flour, baking powder, and salt together.
- Add the flour mixture to the butter mixture in three additions, alternating with the milk. Begin and end with the flour mixture, and mix until just combined.
- Stir in the sour cream until the batter is smooth.
- In a small bowl, stir the cocoa powder and hot water into a smooth paste.
- Move about one-third of the batter to another bowl. Mix the cocoa paste in until the color is even.
- Spoon the vanilla and chocolate batters into the pan in alternating scoops. Swirl gently with a knife one time.
- Bake for 50 to 60 minutes, until a toothpick in the center comes out clean.
- Cool in the pan for 15 minutes. Turn the cake onto a wire rack and cool completely before slicing.
Notes
Disclaimer:
Any nutritional data I provide is an approximation and actual dietary information can vary based on ingredients and proportion sizes.