Caramel Apple Upside Down Cake

Bahan-bahan (8 porsi)

• 6 Tablespoons (85g) unsalted butter
• 1/2 cup (100g) packed light or dark brown sugar
• 1/4 teaspoon ground cinnamon
• 1/4 teaspoon pure vanilla extract
• 2 medium apples, peeled and sliced into 1/4-inch slices (1.5–2 cups, or 188–250g, apple slices)*
• 1 and 1/2 cups (188g) all-purpose flour (spooned & leveled)
• 1 and 1/2 teaspoons baking powder
• 1 and 1/2 teaspoons ground cinnamon
• 1/4 teaspoon ground nutmeg
• 1/2 teaspoon salt
• 1/2 cup (8 Tbsp; 113g) unsalted butter, softened to room temperature
• 1/2 cup (100g) granulated sugar
• 1/2 cup (100g) packed light or dark brown sugar
• 2 large eggs, at room temperature
• 1 teaspoon pure vanilla extract
• 6 Tablespoons (90ml) whole milk, at room temperature*