Plum Skillet Cake

Ingredients

• ½ cup (1 stick) unsalted butter
• 1 cup all-purpose flour
• 1 cup sugar
• 2 teaspoons baking powder
• Pinch of fine sea salt
• 1 cup whole milk
• 1 teaspoon pure vanilla extract
• 1 ½ pounds plums, halved, pitted, and sliced ¼-inch thick
• Whipped cream, creme fraiche, or ice cream, for serving

Instructions

1. 1
   Preheat oven to 350 degrees.
2. 2
   Melt butter in a 12-inch enameled cast-iron skillet or ovenproof baking dish, in the oven, 5 to 7 minutes.
3. 3
   Whisk together flour, sugar, baking powder, and salt in a large bowl. Remove skillet from oven and add melted butter to flour mixture; stir to combine. Add milk and vanilla extract; mix until well combined. Pour mixture into skillet and add plums evenly over the top, leaving a 1-inch border.
4. 4
   Transfer skillet to oven and bake until top is golden brown and a cake tester inserted into the batter comes out clean, about 1 hour. Let cool slightly on a on a wire rack. Serve hot, warm, or at room temperature with whipped cream, creme fraiche, or ice cream.