Caramel Apple Crisp

5 large Granny Smith apples - peeled, cored, and thinly sliced
1/2 cup white sugar
1 tablespoon all-purpose flour
1 teaspoon ground cinnamon
1 teaspoon nutmeg
1 tablespoon lemon juice
1/4 cup water

Crumble:
1 1/2 cups all-purpose flour
1 cup brown sugar
1 cup quick cooking oats
1 cup butter, softened

Caramel Sauce:
1 (14 ounce) package individually wrapped caramels, unwrapped


Preheat oven to 350 F (175 degree C).

In a medium size bowl, toss apples with sugar, flour, cinnamon, lemon juice, and water; spread evenly into a 9x13 inch pan. In another bowl, mix together flour, brown sugar, oats, and butter; set aside.

In a heavy sauce pan over low heat, melt the caramels with the evaporated milk. Heat , stirring frequently, until mixture has a smooth consistency. Drizzle the caramel sauce over the top of the apples. Spoon crumble mixture evenly over apples.
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Bake in preheated oven for about 45 minutes (apple mixture will bubble and topping will be golden brown).

(Source: http://allrecipes.com/recipe/best-ever-caramel-apple-crisp/; slightly adapted)