Name: Cranberry Apple Upside-Down Cake
Prep time: 15 min
Cook time: 40 min
Total time: 1 h 15 min
Yield: serves 8-10
Ingredients: 6 Tablespoons (90g) unsalted butter; 1/2 cup (100g) packed dark brown sugar; 1 medium apple, peeled, cored, and thinly sliced*; 1 heaping cup (130g) fresh or frozen cranberries*; 1/2 cup (115g) unsalted butter, softened to room temperature; 1 cup (200g) packed dark brown sugar; 2 large eggs, room temperature and separated; 1 teaspoon pure vanilla extract; 1 and 1/2 cups (190g) all-purpose flour (spoon & leveled); 1 teaspoon baking powder; 1 teaspoon ground cinnamon; 1/4 teaspoon ground nutmeg; 1/4 teaspoon ground cloves; 1/4 teaspoon ground ginger; 1/3 cup (80ml) buttermilk