Plum cake is a delightful treat with a soft, moist texture and the sweet aroma of cinnamon filling the kitchen. The juicy plums on top create a beautiful contrast and add a lovely tartness.
You can easily make this recipe at home with just a few simple steps. Remember, it doesn’t have to be perfect; what matters is that you enjoy the process.
Why This Recipe Works
This plum cake recipe balances the richness of butter and sugar with the tartness of plums, creating a delightful harmony. The use of buttermilk adds moisture and tenderness to the cake, while the combination of baking powder and baking soda ensures it rises perfectly. Following the steps closely guarantees a consistently delicious result every time.
Now that you understand why this recipe is effective, let’s explore how to prepare it step by step.
The One Thing That Makes It Work
- The key to a successful plum cake lies in the balance of moistness and structure achieved through the combination of softened butter, buttermilk, and well-creamed sugar.
- This technique ensures a tender crumb that perfectly complements the sweet and spiced plums on top.
Now that you understand what makes this plum cake truly shine, let’s explore the step-by-step process for creating it at home.
Essential Ingredients
To create a delightful plum cake, gather the following essential ingredients.
- 1 cup unsalted butter: Ensure the butter is softened to room temperature for easy creaming and a smooth batter.
- 1 cup granulated sugar: This provides the necessary sweetness that balances the tartness of the plums.
- 3 large eggs: Use room temperature eggs to help achieve a better emulsion in your batter.
- 2 cups all-purpose flour: Be sure to sift before measuring for an airy, tender crumb in the cake.
- 1 teaspoon baking powder: This leavening agent helps the cake rise beautifully during baking.
- 1/2 teaspoon baking soda: Works in conjunction with the baking powder for optimal leavening and texture.
- 1/2 teaspoon salt: Enhances flavor and balances sweetness, making the cake more delicious.
- 1 teaspoon ground cinnamon: Adds a warm, aromatic touch that complements the plums perfectly.
- 1 teaspoon vanilla extract: A must-have for flavor depth; use pure vanilla for the best results.
- 1/2 cup buttermilk: Helps create a moist cake; ensure it’s at room temperature for better mixing.
- 4 medium ripe plums: Choose sweet, juicy plums for maximum flavor; pitted and sliced for even distribution.
- 2 tablespoons brown sugar: Used to sweeten and caramelize the plums, enhancing their natural flavors.
- 1 teaspoon ground cinnamon: Sprinkled on top of the plums, it adds an extra layer of warmth and spice.
- 1 cup whipped cream (optional): A delightful accompaniment that balances the richness of the cake when serving.
The full ingredients list, including measurements, is provided in the recipe card directly below.
Do This, Not That
- When selecting your butter, make sure it’s unsalted and softened to room temperature for the best texture; using cold butter may result in a dense cake.
- For the plums, opt for ripe ones to ensure they are sweet and juicy instead of choosing underripe varieties that could be tart and firm.
- Lastly, remember to sift your flour before measuring; measuring directly without sifting can lead to a denser batter.
Now that you have the essential tips for success, let’s delve into the step-by-step process of making this delightful plum cake.
Step-by-Step Method
Start by preheating your oven to 350°F (175°C). Grease a 9-inch round cake pan and line the bottom with parchment paper. This will help ensure that your plum cake comes out easily after baking.
In a large mixing bowl, cream the softened butter and granulated sugar together using an electric mixer. You want this mixture to be light and fluffy, which should take about 3-5 minutes. The texture should look pale and airy, signaling that it’s ready for the next step.
Next, add the eggs one at a time, mixing well after each addition. This helps create a smooth batter. As you mix, you’ll notice the mixture becoming even creamier in texture.
In another bowl, whisk together the sifted flour, baking powder, baking soda, salt, and ground cinnamon. This step is important because it evenly distributes the leavening agents and spices throughout your dry ingredients.
Gradually combine the dry ingredients with the wet mixture while alternating with buttermilk and vanilla extract. Start and end with the dry mix to ensure everything blends well without overmixing, keeping your cake tender.
Now it’s time to prepare the plums. Toss the sliced plums in a bowl with brown sugar and ground cinnamon until they are well coated. This step enhances their natural sweetness and adds a lovely aroma to your kitchen as they caramelize during baking.
Pour half of the batter into your prepared cake pan and spread it evenly. Layer the plums on top before covering them with the remaining batter. As you pour, you’ll want to smooth out the top for even baking.
Bake your plum cake in the preheated oven for 45-50 minutes or until a toothpick inserted into the center comes out clean. The cake will smell warm and inviting when done, signaling that it’s ready to cool.
Once it’s baked, let it cool in the pan for about 10 minutes before transferring it to a cooling rack. Allowing it to cool completely will make slicing easier when you’re ready to serve this delightful plum cake alongside whipped cream if desired. Now that you’ve prepared your plum cake, let’s explore some serving suggestions!
Troubleshooting (If Something Goes Wrong)
If your plum cake comes out too dry, it might be due to overmixing the batter or baking it for too long; next time, mix just until combined and keep an eye on the bake time. If the plums sink to the bottom, try tossing them in a bit of flour before adding them to the batter; this helps them stay suspended. Remember, mistakes happen, and each attempt gets you closer to perfection.
Now that you’re prepared for any hiccups, let’s explore how to serve your plum cake beautifully.
Variations You’ll Actually Want to Try

For a fun twist on your plum cake, consider adding a handful of chopped nuts for crunch or substituting some plums with other seasonal fruits like peaches or cherries. You can also experiment with different spices, such as nutmeg or cardamom, to give your cake a unique flavor profile. Feel free to get creative without any stress!
Now that you’ve got some variations in mind, let’s explore how to perfectly serve your plum cake.
Pick Your Flavor Path
- Add a sprinkle of nutmeg to the batter for a warm, cozy spice that complements the plums beautifully.
- For a zesty twist, mix in some grated lemon zest before baking to brighten up the flavors.
- If you’re feeling adventurous, fold in some chopped walnuts or pecans for an added crunch and earthiness.
With these simple flavor directions in mind, let’s explore how to prepare this delightful plum cake step by step.
FAQ
How long does plum cake last when stored properly?
Plum cake can last up to 5 days at room temperature in an airtight container.
Can I substitute the buttermilk in the plum cake recipe?
Yes, you can use regular milk mixed with a tablespoon of vinegar or lemon juice instead.
What’s the best way to reheat leftover plum cake?
Reheat slices of plum cake in a microwave for about 15-20 seconds, or enjoy at room temperature.
Now that you’re equipped with answers, let’s explore ways to enhance your plum cake experience!

Plum Cake
Ingredients
Method
- Preheat your oven to 350°F (175°C). Grease a 9-inch round cake pan and line the bottom with parchment paper to prevent sticking.
- In a large mixing bowl, cream together the softened butter and granulated sugar using an electric mixer on medium speed until light and fluffy, about 3-5 minutes. This incorporates air into the mixture, helping the cake rise.
- Add the eggs one at a time, mixing well after each addition. This ensures that the eggs are fully incorporated and helps create a smooth batter.
- In a separate bowl, whisk together the sifted flour, baking powder, baking soda, salt, and ground cinnamon. This helps to evenly distribute the leavening agents and spices.
- Gradually add the dry ingredients to the wet mixture, alternating with the buttermilk and vanilla extract. Start and end with the dry ingredients. Mix until just combined; do not overmix to keep the cake tender.
- In a bowl, toss the sliced plums with brown sugar and ground cinnamon. This will enhance their natural sweetness and add flavor.
- Pour half of the cake batter into the prepared cake pan, spreading it evenly. Layer the cinnamon-sugar plums on top, then pour the remaining batter over the plums, smoothing the top.
- Bake in the preheated oven for 45-50 minutes, or until a toothpick inserted into the center comes out clean. This ensures that the cake is fully cooked through.
- Once baked, remove the cake from the oven and let it cool in the pan for 10 minutes before transferring it to a cooling rack to cool completely.
- Once cooled, slice the plum cake and serve with whipped cream if desired. Enjoy your delicious plum cake!






