Ingredients
Equipment
Method
Bake-ready setup
- Preheat the oven to 350F, then grease a 9x13 baking dish with a light coating so the cake releases cleanly.
Toss the apples
- Toss diced apples with brown sugar, cinnamon, and nutmeg until evenly coated, then set the bowl aside with visible cinnamon specks on the fruit.
Make the cake batter
- Beat softened butter and granulated sugar until fluffy and lighter in color.
- Add eggs one at a time, then mix in vanilla extract until smooth and glossy.
- Whisk all-purpose flour, baking powder, and salt together.
- Alternate adding the dry mixture and whole milk to the butter mixture, mixing just until the batter looks thick and cohesive.
Layer and swirl
- Spread half the batter in the greased 9x13 dish in an even layer.
- Scatter half the cinnamon apples over the batter so the top is dotted with fruit pieces.
- Add the remaining batter, then arrange remaining apples on top in a loose layer.
- Swirl the top gently with a knife to create ribbon-like cinnamon pockets (you should see streaks forming).
Bake and finish
- Bake for 40-45 minutes at 350F until the top is golden and a toothpick inserted in the center comes out clean.
- Cool for 15 minutes before glazing so the cake thickens and the glaze stays drizzly rather than fully absorbing.
- Whisk powdered sugar with 2-3 tablespoons milk and vanilla until thick, then drizzle across the cake in irregular stripes.
Notes
Pro tip: dice apples fairly small and similar in size so they cook evenly and stay jammy. Store covered in the refrigerator up to 4 days; rewarm slices in the microwave for 15-20 seconds. Freezing is yes—freeze cooled slices for up to 2 months and thaw overnight in the fridge. For a lighter option, substitute part of the butter with unsweetened applesauce (use 1/4 cup) to reduce fat while keeping tenderness.
