
Plum upside-down cake: a dessert that effortlessly marries the zesty allure of fresh plums with the comforting sweetness of caramel and cake. This culinary masterpiece offers a feast for the taste buds and presents a visual treat with its vibrant colors and elegant presentation. In this comprehensive blog, we dive into the origins, essential baking tips, and the much-requested recipe for making your very own plum upside-down cake, complete with both U.S. and metric measurements. Whether you’re a seasoned baker or a curious novice, this guide will help you understand the cake’s popularity, master its preparation, and even explore variations for creative twists.
Introduction
The plum upside-down cake stands out in the vast world of desserts for its unique combination of flavors and textures. The tartness of the plums contrasts beautifully with the sweet, soft base of the cake, creating a symphony of taste that leaves a memorable aftertaste. Beyond its flavors, the cake’s visual appeal is undeniable, with the plums’ rich color making it a visually striking centerpiece for any table.
Origin And History
The upside-down cake concept isn’t new; it dates back to when cakes were cooked in cast-iron skillets. It was an easy method to create a deliciously caramelized fruit topping. Pineapple upside-down cake might be the most famous variant, but as bakers started experimenting with different fruits, the plum upside-down cake emerged as a beloved variation. The use of plums in baking has historical roots in many cultures, appreciated for their tart flavor and the beautiful color they lend to desserts.
Plum Upside-Down Cake Recipe
Making a Plum Upside-Down Cake offers a delightful balance of tart plums and paired with a moist cake base. Its visual appeal and unique flavor profile make it a perfect choice for impressing guests or enjoying a special homemade treat.
Required Equipment
To prepare a plum upside-down cake, you’ll need the following equipment:
- A 9-inch round cake pan
- Mixing bowls (for dry and wet ingredients)
- An electric mixer or a whisk
- A saucepan (for the caramel)
- Measuring cups and spoons (or a digital scale for metric measurements)
- A spatula for folding and spreading the batter
- A cooling rack
Ingredients:
For the Plum Layer:
- Plums: 4-5 ripe but firm, halved and pitted (use more if needed to cover the pan)
- Brown sugar: ¾ cup (150g)
- Unsalted butter: 4 tablespoons (60g), melted
For the Cake:
- All-purpose flour: 1 ½ cups (190g)
- Baking powder: 1 ½ teaspoons (7.5g)
- Salt: ¼ teaspoon (1.25g)
- Unsalted butter: ¾ cup (170g), room temperature
- Sugar: 1 cup (200g)
- Eggs: 3 large
- Vanilla extract: 1 teaspoon (5ml)
- Milk: ½ cup (120ml)
Preparation Directions
- Preheat the oven to 350°F (175°C). Butter the cake pan and line the bottom with parchment paper for easy release.
- Prepare the plum layer: Arrange the plum halves, cut-side down, in the prepared pan. Combine melted butter and brown sugar in a saucepan over medium heat until the sugar dissolves and the mixture is bubbly. Pour this caramel over the plums.
- Mix the dry ingredients: In a bowl, whisk together the flour, baking powder, and salt.
- Cream butter and sugar: Using an electric mixer, beat the butter and sugar until light and fluffy. Add eggs, one at a time, beating well after each addition. Stir in the vanilla.
- Add dry ingredients and milk: Alternately add the flour mixture and milk to the butter mixture, starting and ending with the flour. Mix until just combined.
- Bake: Spoon the batter over the plums, spreading evenly. Bake for 45-50 minutes, or until a toothpick inserted into the center comes out clean.
- Cool and invert: Let the cake cool in the pan for 10 minutes, then invert onto a plate. Remove the parchment paper carefully.

Storage Instructions
Wrap the cake tightly in plastic wrap or keep it in an airtight container at room temperature for up to 3 days. For longer storage, refrigerate for up to a week.
Reheating Instruction
To revive the cake’s texture and warmth, microwave a slice for 10-15 seconds or reheat in a 300°F (150°C) oven for 5-10 minutes.
Nutritional Information and Health Benefits
Plums are a good source of vitamins, minerals, fiber, and antioxidants. Thanks to the fruit, a slice of plum upside-down cake can offer some health benefits, but remember it’s still a treat due to its sugar and fat content.
Variations and Creative Twists
- Different Fruits: Try peaches, apricots, or cherries for a different flavor profile.
- Spices: Add cinnamon, nutmeg, or cardamom to the batter for added warmth.
- Nutty Crunch: Sprinkle chopped walnuts or almonds over the plums before adding the caramel for a crunchy texture.
Baking a plum upside-down cake is more than following a recipe; it’s about embracing the artistry of baking and the joy of sharing a beautiful, delicious dessert. Whether you stick to the classic recipe or experiment with variations, this cake is sure to delight and impress. Enjoy the process and the delightful outcome!
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