Upside-Down Cake Recipe
The season will dictate whether to use plum (summer), pear (fall/winter), or blood orange (winter)
Servings: 12 servings
Ingredients
For the Caramel "Topping"
- ½ cup 1 stick unsalted butter, plus more for the pan
- ½ cup packed brown sugar
- pinch of fine sea salt
For the Cake
- 2 cups all-purpose flour
- 1½ teaspoons baking powder
- ½ teaspoon baking soda
- 1 cup unsalted butter at room temperature
- 1 cup granulated sugar
- grated zest of 1 orange
- 2 teaspoons vanilla extract
- ¾ teaspoon fine sea salt
- 3 large eggs
- ¾ cup buttermilk
- 4-5 about 1 pound plums, pitted and sliced if plums are not in season use either pears (fall/winter) or blood oranges (winter)
Makes: 10inch round
Instructions
- Preheat oven to 350°. Butter a 10-inch round cake pan with 3-inch sides, then line the bottom with parchment paper and butter the parchment as well.
Make the Caramel "Topping"
- In a small pot set over low heat, stir together the butter, brown sugar, and salt. Once the butter has melted, whisk it to combine completely with the sugar, then pout it into the prepared pan and spread it out evenly. Put the pan in the freezer.
Make the Cake Batter
- While the topping freezes, make the cake batter: In a small bowl, stir together the flour, baking powder, and baking soda.
- In the bowl of a stand mixer fitted with the paddle attachment, cream the butter and sugar on medium speed until light and fluffy, about 5 minutes. Add the orange zest, vanilla, and salt. While the mixer is running, add the eggs one at a time, beating well after each addition. Add about one-third of the flour mixture, then add half the buttermilk, followed by another one-third of the flour, then the remaining buttermilk, and finally the remaining flour.
- Remove the pan from the freezer and, working quickly now to keep the caramel cold, arrange the fruit cut-side down in a single layer on top of the frozen caramel. Pour the batter over the plums, gently smoothing it out without disturbing the fruit. Bake for about 55 minutes, until a toothpick inserted three-quarters of the way into the cake comes out with no uncooked batter stuck to it.
- Let cool in the pan, then run a butter knife around the edge and invert the cake onto a serving plate.
- Store, loosely wrapped (because it's kind of gooey), at room temperature for up to 2 days or in the refrigerator for 3 to 4 days.
- Note on the Cake Pan Size: Do not attempt to bake this in a standard 8- or 9-inch cake pan—it will overflow.
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Notes
Pear-Ginger Variation: Try making this cake with pear and ginger instead of plums. To do so, leave out the orange zest and add 2 teaspoons grated fresh ginger to the cake batter at the same time as the vanilla. Fan out thinly sliced pear in place of the plums, and scatter chopped candied ginger over the fruit before pouring in the cake batter.
Blood Orange Variation: You could also choose to make this an upside-down blood orange cake. For that option, use only ½ cup buttermilk and add ¼ cup fresh blood orange juice. Cut away the peel and white pitch of 3 blood oranges, then slice oranges into thin rounds and remove and discard the seeds. Arrange the fruit in a closely packed single layer on of the frozen caramel.