Prepare the Apple Filling

• Preheat the oven to 350°F (175°C). Grease a 9 × 5-inch loaf pan and line it with parchment paper.
• In a bowl, combine the diced apples, brown sugar, cinnamon, and nutmeg. Toss until the apples are evenly coated.

Prepare the Bread Batter

• In a large bowl, cream the softened butter and granulated sugar until light and fluffy.
• Add the eggs one at a time, mixing well after each addition.
• Stir in the vanilla extract.
• In a separate bowl, whisk together the flour, baking powder, cinnamon, and salt.
• Gradually add the dry ingredients to the butter mixture, alternating with the milk. Mix just until combined.

Assemble and Bake

• Spread half of the batter into the prepared loaf pan.
• Sprinkle half of the cinnamon sugar mixture over the batter.
• Add half of the seasoned apples.
• Spread the remaining batter on top, followed by the remaining apples and cinnamon sugar.
• Gently swirl the layers with a knife to create a beautiful cinnamon-apple pattern.
• Bake for 55–65 minutes, or until a toothpick inserted into the center comes out clean or with a few moist crumbs.
• Allow the bread to cool in the pan for 15 minutes before transferring it to a wire rack.

Prepare the Glaze

• Whisk together the powdered sugar, milk, and vanilla extract until smooth.
• Drizzle the glaze over the completely cooled bread.
• Let the glaze set slightly before slicing and serving.