This is the chocolate bundt cake that looks like it came from a bakery window: a dark, tight crumb, a thick ganache that sheets down the ridges, and a handful of chocolate chips stuck to the top while the glaze is still wet. It is not a dry cocoa cake. It is not a boxed mix with canned frosting. It is one bowl for the batter, one small pan for the ganache, and a Bundt pan you grease like you mean it.
The cake stays moist for days because of oil, buttermilk, and hot coffee. The coffee does not make it taste like coffee. It makes the chocolate taste louder. The ganache is only chocolate and cream. When it hits a fully cooled cake, it sets into that shiny drip from the photo instead of soaking in and disappearing.
Why You’ll Love This Chocolate Bundt Cake
- Looks like a celebration cake with almost no decorating skill. The pan does the shape. The ganache does the rest.
- Stays moist for 3–4 days. Oil + buttermilk beat an all-butter crumb for keeping quality.
- Deep chocolate flavor from cocoa plus hot coffee, not from a pile of melted bars in the batter.
- The drip is reliable. Cool cake, slightly warm ganache, pour, wait.
- Feeds a crowd. One 10- or 12-cup Bundt easily serves 12–16.
- Freezes well without the glaze, or with it if you wrap carefully.
What This Cake Is
A Bundt cake is just a pound-cake-style batter baked in a ring pan with ridges. This one is a moist chocolate sour-cream/buttermilk Bundt finished with a pourable ganache and extra chips on top.
Ganache is not frosting. Frosting is spread. Ganache is poured. Equal parts cream and chocolate (or close to it) melt into a sauce that thickens as it cools. If you pour it when it is scalding, it runs off and leaves the cake naked. If you pour it when it is cold, it sits in a blob. Slightly warm, like a thick hot chocolate, is the window that makes the photo.
Ingredients
Fits a 10- or 12-cup Bundt pan. Grease every ridge. A stuck Bundt is the only real way to ruin this recipe.
Chocolate cake
- 1 ¾ cups (220 g) all-purpose flour
- ¾ cup (75 g) unsweetened cocoa powder, Dutch-process if you have it
- 1 ½ teaspoons baking soda
- 1 teaspoon baking powder
- ¾ teaspoon fine salt
- 1 ½ cups (300 g) granulated sugar
- ½ cup (100 g) packed brown sugar
- 2 large eggs, room temperature
- 1 cup (240 ml) buttermilk, room temperature
- ½ cup (120 ml) neutral oil (or melted butter, cooled)
- 2 teaspoons vanilla extract
- ¾ cup (180 ml) hot coffee — or hot water plus 1 teaspoon instant espresso
- ½ cup (90 g) mini chocolate chips, tossed with 1 teaspoon flour (optional, inside the cake)
Chocolate ganache drip
- ¾ cup (180 ml) heavy cream
- 6 ounces (170 g) semi-sweet chocolate, chopped — or good chocolate chips
- 1 tablespoon butter (optional, extra shine)
- Pinch of salt
- ½–¾ cup chocolate chips, for the top
For the pan
- Soft butter or baking spray with flour
- 1 tablespoon cocoa powder, to dust the pan instead of flour (no white streaks)
How to Make Moist Chocolate Ganache Bundt Cake
1. Heat the oven and prep the pan
Heat the oven to 350°F (175°C). Place a rack in the lower third so the top does not brown too fast.
Butter every corner of the Bundt pan, including the center tube. Dust with cocoa and tap out the extra. Baking spray with flour works if you spray it, then brush it into the ridges with a pastry brush. Bare spots are where the cake will tear.
2. Mix the dry ingredients
Whisk flour, cocoa, baking soda, baking powder, salt, and both sugars in a large bowl. Break up brown sugar lumps with your fingers.
3. Mix the wet ingredients
In a second bowl, whisk eggs, buttermilk, oil, and vanilla until smooth.
4. Combine, then add hot coffee
Pour the wet into the dry and stir until almost combined. Pour in the hot coffee and whisk just until the batter is smooth and thin. It will look looser than a typical cake batter. That is what keeps it moist.
If you are adding chips inside the cake, fold them in now.
5. Bake
Pour into the prepared pan. Tap the pan on the counter twice to pop big air bubbles.
Bake 40–50 minutes, until a skewer comes out with a few moist crumbs, not wet batter. The top should spring back when you press it. Start checking at 40 minutes. Overbaked chocolate cake tastes dry no matter how good the ganache is.
6. Cool the right way
Cool in the pan on a rack for 15 minutes, no longer. Then invert onto the rack. If it does not drop, give the pan a firm tap on the counter. Do not fight it for 30 minutes in the pan — trapped steam makes the crust peel.
Cool the cake completely before ganache. Warm cake + ganache = glaze that vanishes into the crumb.
7. Make the ganache
Heat the cream until it just steams — small bubbles at the edge, not a rolling boil. Pour over the chopped chocolate. Let it sit 2 minutes. Stir from the center out until smooth. Add butter and salt. Let it sit 5–10 minutes until it thickens to a slow ribbon. If it is too thin, wait. If it goes too thick, warm it 5 seconds at a time.
8. Drip and finish
Set the cooled cake on a rack over a tray. Pour the ganache over the top, letting it run down the ridges. Do not spread it hard or you lose the drip. While it is still wet, scatter chocolate chips over the top so they set in place like the photo.
Let the ganache set 20–30 minutes before you move the cake to a stand. It will stay slightly soft and shiny, not hard like candy.
How to Keep It Moist
- Do not overbake. Pull it when the skewer still has a few crumbs.
- Hot coffee (or hot water + espresso) blooms the cocoa and adds moisture.
- Oil stays soft after the cake cools. All-butter cakes firm up more.
- Wrap the unglazed cake once it is fully cool if you are not glazing the same day.
- Store the finished cake under a dome or in a covered cake box, not in the fridge unless your kitchen is very hot. The fridge dries cake and dulls ganache.
How to Serve It
Slice with a long serrated knife. Wipe the blade between cuts so the ganache does not smear every slice.
Serve at room temperature. Cold chocolate cake tastes muted. A scoop of vanilla ice cream or a spoon of whipped cream is enough. It does not need more frosting on the plate.
Coffee, milk, or a small glass of red wine all work. This is a dense slice — small pieces look polite and still feel generous.
Variations
- Darker chocolate: Use 70% chocolate in the ganache and Dutch cocoa in the cake.
- Mocha: Add 1 extra teaspoon espresso powder to the batter.
- Chocolate orange: Add 1 tablespoon orange zest to the batter and a drop of orange extract to the ganache.
- Mint chip: ½ teaspoon peppermint extract in the ganache, mint chips on top.
- Peanut butter drip: Stir 2 tablespoons peanut butter into the warm ganache.
- Simple cocoa glaze: If you are out of cream, mix 1 ½ cups powdered sugar, ¼ cup cocoa, 3–4 tablespoons milk, and 1 teaspoon vanilla. It will be sweeter and less shiny.
- Mini Bundts: Bake 18–22 minutes. Glaze each one.
Tips for the Photo Look
- Cool the cake fully so the ganache sits on top instead of soaking in.
- Ganache should ribbon off the spoon, not pour like water.
- Pour from the center and let gravity do the drips. Do not paint every ridge.
- Add the chips while the glaze is wet so they look set-in, not sprinkled later.
- A glass cake stand and a dark cake are the contrast in the photo. Wait until the drips stop moving before you carry it.
Make-Ahead, Storage, Freeze
Make-ahead
Bake the cake 1 day early. Cool, wrap tight, keep at room temperature. Glaze the day you serve. Ganache can be made 3 days ahead and warmed gently until pourable.
Room temperature
Covered, 3–4 days. The crumb actually tastes better on day two.
Fridge
Only if the room is hot. Bring slices back to room temperature before serving.
Freeze
Freeze the unglazed cake, wrapped well, up to 2 months. Thaw wrapped at room temperature, then glaze. You can freeze leftover slices. The ganache will dull a little after thawing — still good to eat.
FAQ
Why did my Bundt stick?
The pan was not greased in every ridge, or you inverted it too soon or too late. 15 minutes in the pan is the sweet spot. Next time, use cocoa to dust instead of flour.
Can I use a boxed cake mix?
Yes, in a pinch. Bake it in a well-greased Bundt and use this ganache. The homemade batter is darker and stays moist longer.
Can I skip the coffee?
Use hot water. You will lose a little depth, not the whole cake.
My ganache is grainy.
The cream was too hot or the chocolate was cheap and seized. Next time, heat cream only to a simmer and let it sit on the chocolate before stirring. A teaspoon of warm cream can sometimes smooth a slightly broken ganache.
My ganache ran off the cake.
It was too hot or the cake was warm. Wait 5 minutes and pour another pass around the top.
Can I use milk instead of buttermilk?
Yes. Stir 1 tablespoon lemon juice or vinegar into 1 cup milk and wait 5 minutes.
Dutch-process or natural cocoa?
Both work here because the recipe has both baking soda and baking powder. Dutch gives a darker crumb like the photo.
How do I know it is done?
A skewer with moist crumbs, plus the cake pulling slightly from the tube. If it is still jiggly in the center, give it 5 more minutes.
Final Thoughts
A moist chocolate ganache bundt cake is the dessert you make when you want people to go quiet for a second after the first slice. The pan gives you the shape. The coffee gives you the chocolate. The ganache and chips give you the photo.
Grease the pan properly, cool the cake fully, and pour the glaze when it ribbons. That is the whole skill list.
Printable Recipe Card
Moist Chocolate Ganache Bundt Cake
Prep time: 20 minutes
Cook time: 45 minutes
Cool + glaze: 1 hour 15 minutes
Total time: about 2 hours 20 minutes
Servings: 12–16
Course: Dessert
Cuisine: American
Method: Oven bake
Cake
- 1 ¾ cups flour, ¾ cup cocoa
- 1 ½ tsp baking soda, 1 tsp baking powder, ¾ tsp salt
- 1 ½ cups sugar, ½ cup brown sugar
- 2 eggs, 1 cup buttermilk, ½ cup oil, 2 tsp vanilla
- ¾ cup hot coffee
Ganache
- ¾ cup heavy cream, 6 oz semi-sweet chocolate
- 1 tbsp butter, pinch salt, chocolate chips for the top
Instructions
- Heat oven to 350°F (175°C). Grease a Bundt pan and dust with cocoa.
- Whisk dry ingredients. Whisk wet ingredients. Combine, then whisk in hot coffee.
- Pour into the pan. Bake 40–50 minutes until a skewer has moist crumbs.
- Cool 15 minutes in the pan, invert, cool completely.
- Pour hot cream over chocolate. Stir smooth. Cool until it ribbons.
- Pour over the cake. Add chocolate chips. Let set before slicing.
Notes
Do not glaze a warm cake. Store covered at room temperature 3–4 days. Freeze unglazed up to 2 months.
Nutrition (estimate per slice, 16 slices): about 340 kcal, 16 g fat, 48 g carbs, 4 g protein.
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