01 -
Preheat oven to 375°F.
02 -
In a large mixing bowl, add sliced apples. Sprinkle with brown sugar, sugar, cinnamon, cornstarch, lemon juice, and nutmeg. Stir until apples are coated, then add pecans and stir again.
03 -
In a small heavy-bottomed pan, melt butter over low heat. Stir in brown sugar and milk. Bring to a boil over low heat while stirring constantly for 12 minutes. Remove from heat and add vanilla extract, stirring to combine. Let caramel cool for 10 minutes.
04 -
Pour caramel sauce over the apple mixture, reserving a small amount for drizzling later. Stir to combine. Transfer the mixture to an ungreased 13x9-inch baking dish.
05 -
In a medium mixing bowl, whisk together flour, sugar, brown sugar, baking powder, and salt. Using a pastry blender, cut butter into the flour mixture until crumbly. Pour in boiling water and stir until combined.
06 -
Spoon the topping mixture over the apples and spread evenly to cover all the apples. In a small bowl, mix sugar and cinnamon together and sprinkle on top.
07 -
Bake in the preheated oven for approximately 45 minutes, or until the topping is golden brown.