1-Preheat the oven to 350 degrees Fahrenheit: Preheat the oven to 350 degrees Fahrenheit. Grease and flour an 8.5 x 4.5 inch loaf pan.
2-In a medium mixing bowl, whisk together: In a medium mixing bowl, whisk together the flour, baking powder and salt. Set aside.
3-Using an electric handheld or stand mixer: Using an electric handheld or stand mixer fitted with the paddle attachment, beat the butter, sugar and vanilla together, on medium-high speed until smooth and pale (about 3-4 minutes). Scrape down the sides and the bottom of the bowl with a rubber spatula as needed.
4-Beat in the eggs, one at a: Beat in the eggs, one at a time, until incorporated.
5-With the mixer on low speed, add: With the mixer on low speed, add about half of the flour mixture, alternating with half the milk. Add the remaining flour mixture and milk and mix to combine.
6-In a mixing bowl, combine the brown: In a mixing bowl, combine the brown sugar, ground cinnamon and apples. Set aside.
7-To make the topping, in a small: To make the topping, in a small bowl combine the brown sugar and cinnamon. Set aside
8-Pour half of the batter into the: Pour half of the batter into the prepared loaf pan and top it with half of the apple mixture. With a knife or skewer, swirl through the batter lightly. Don’t over do it. The bread looks better when it has a beautiful thick layer of fruit and cinnamon sugar in the middle.
9-Pour the remaining batter on top and: Pour the remaining batter on top and then the remaining apple mixture. With a knife or skewer, swirl through the batter a couple of times in both directions. Sprinkle the cinnamon sugar mixture on top.
10-Bake for about 45 to 55 minutes: Bake for about 45 to 55 minutes or until a cake tester or toothpick inserted into the center comes out clean. Only a few moist crumbs should attached to the cake tester or toothpick due to the soft apples in the center.
11-Remove the bread from the oven and: Remove the bread from the oven and allow it to cool in the pan for about 15 – 20 minutes. While the bread is cooling, whisk together the glaze ingredients. Remove the bread from the pan and place it on a cooling rack. Drizzle the glaze over the bread. Let the bread cool completely before slicing.