→ Cake Base
01 - 1 cup unsalted butter, softened
02 - 1 cup granulated sugar
03 - 2 large eggs
04 - 1 teaspoon vanilla extract
05 - 2 cups all-purpose flour
06 - 1/2 teaspoon baking powder
07 - 1/2 teaspoon salt
→ Apple Pie Layer
08 - 4 medium apples (Granny Smith or Honeycrisp), peeled, cored, and diced
09 - 1/3 cup light brown sugar
10 - 1 tablespoon lemon juice
11 - 1 teaspoon ground cinnamon
12 - 1 tablespoon cornstarch
→ Cinnamon Crumble
13 - 1 cup all-purpose flour
14 - 1/2 cup light brown sugar
15 - 1 teaspoon ground cinnamon
16 - 1/4 teaspoon salt
17 - 1/2 cup unsalted butter, cold and cubed