01 -
Generously grease and flour a 12-cup (9-inch) bundt pan, ensuring all crevices are coated for easy release.
02 -
In a large mixing bowl, combine flour, baking powder, baking soda, ground cinnamon, and salt. Whisk thoroughly to blend.
03 -
Using a stand mixer or hand mixer, beat softened butter with granulated sugar until light and fluffy, about 3 minutes.
04 -
One at a time, incorporate eggs into the creamed mixture, mixing well after each addition. Add vanilla extract and half the milk, blending until smooth.
05 -
Gradually add the flour mixture to the wet ingredients in several additions, alternating with remaining milk. Mix only until just combined and fluffy.
06 -
In a separate bowl, toss diced apples with brown sugar and ground cinnamon until evenly coated.
07 -
Gently fold cinnamon-sugar apples into cake batter, distributing evenly without overmixing.
08 -
Spoon batter evenly into prepared bundt pan. Smooth top with a spatula. Bake in a 350°F (175°C) oven for 55 to 65 minutes, or until a toothpick inserted in the center comes out clean.
09 -
Allow cake to cool in pan on a wire rack for 10 minutes. Invert onto serving platter and cool completely.
10 -
In a saucepan over medium heat, melt butter with brown sugar and 1/4 cup milk. Bring to a gentle boil while stirring, and boil for 2 minutes, stirring constantly. Remove from heat, add vanilla, and cool for 15 minutes.
11 -
Whisk powdered sugar into cooled caramel mixture. Add additional milk, 1 tablespoon at a time, to achieve pourable consistency if needed.
12 -
Drizzle caramel glaze over completely cooled cake. Allow glaze to set for at least 10 minutes before slicing and serving.