How to Bake Apple Biscuits with Sweet Filling

Ingredients

• 2 cups all-purpose flour
• 1 tablespoon baking powder
• 1 teaspoon salt
• 1 tablespoon granulated sugar
• ½ cup unsalted butter, chilled and cubed
• ¾ cup milk (whole or buttermilk)
• 2 medium apples, peeled, cored, and diced
• ¼ cup brown sugar
• 1 teaspoon ground cinnamon
• ½ teaspoon vanilla extract
• 1 tablespoon lemon juice
• 1 tablespoon cornstarch (optional, for thickening)
• 1 egg, beaten, for egg wash
• 1 tablespoon sugar for sprinkling