Blueberry-lime Buttermilk Upside Down Cake

Total Time: 1 hr 20 mins Preparation Time: 20 mins Cook Time: 1 hr

Ingredients

• Servings: 10
• 4 tablespoons unsalted butter, cut into 4 pieces
• 2/3 cup light brown sugar, tightly packed
• 2 cups fresh blueberries
• 2 teaspoons lime zest, grated
• 1 1/3 cups all-purpose flour
• 1 1/2 teaspoons double-acting baking powder
• 1 pinch salt
• 1/2 cup unsalted butter, softened
• 1 cup sugar
• 2 large eggs, at room temperature
• 1 1/2 teaspoons pure vanilla extract
• 1/2 cup buttermilk (or sour milk-i have used sour milk made with 1/2 t lime juice for extra lime flavor)
• 1/2 teaspoon baking soda
• 2 ounces chocolate, coarsely chopped

Recipe

• 1 preheat the oven to 350 degrees f.
• 2 in a 9 inch cast iron skillet, melt the butter over low heat. stir in the brown sugar and cook, stirring, until the mixture is smooth and bubbling, about 3-4 minutes. remove the pan from the heat and arrange the blueberries evenly over the brown sugar mixture. scatter the lime zest over the blueberries.
• 3 .
• 4 sift the flour, baking powder and salt together in a small bowl, set aside. mix buttermilk with baking soda and stir to combine (may foam up), set aside.
• 5 in a large bowl, beat the butter until creamy using a medium speed on your mixer, about 30 seconds. add the sugar and continue to beat until the mixture is light in texture, about 2-3 minutes.
• 6 beat in the eggs, one at a time. beat in the vanilla and chocolate.
• 7 on low speed, beat in half the flour mixture until just combined. scrape down the bowl and beat in the buttermilk. beat in the remaining flour mixture until just combined.
• 8 spoon batter over the topping in the cake pan, spreading it evenly over the berries until they are completely covered.
• 9 bake until a toothpick inserted into the center of the cake comes out clean, 45-50 minutes. cool in the pan on a wire rack for about 5 minutes.
• 10 run a knife around the edge of the cake to release it from the sides of the pan. invert a serving plate over the cake and turn the cake out onto the plate.
• 11 let cool 30 minutes before serving plain or with a scoop of vanilla ice cream.