From Pies Sweet and Savory p. 230
Topping: 6 tbsp butter, 1 3/4 bread crumbs
Filling: 2 lb apples, 3/4 brown sugar, 1 tsp cinnamon, 1/2 tsp apple pie spice*, lemon zest, lemon juice, vanilla extract
*Apple pie spice:
- 4 tablespoons ground cinnamon.
- 1 1/2 teaspoons ground nutmeg.
- 1/2 teaspoon ground allspice.
- 1 teaspoon ground ginger.
- 1 1/2 teaspoons ground cardamom.