Easy and Delicious Upside-down Caramel Apple Muffins Recipe

Ingredients

• 1 cup all-purpose flour
• 1/2 cup granulated sugar
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• 1/2 teaspoon ground cinnamon
• 1/4 teaspoon ground nutmeg
• 1/2 cup unsalted butter, melted
• 1/2 cup buttermilk
• 1 large egg
• 1/2 teaspoon vanilla extract
• 1/2 cup packed brown sugar
• 1/4 cup heavy cream
• 2 tablespoons unsalted butter
• 1 large apple, peeled, cored, and thinly sliced