Preparation time: 25 min
Cooking time: 55 min @ 375°
3/4 cup all-purpose flour
3/4 cup packed light brown sugar
3/4 tsp cinnamon
3/4 tsp ground ginger
6 tbsp unsalted butter, cut in pieces
1 cup walnut, chopped
3 lbs Granny Smith apples
1/2 cup packed light brown sugar
1/4 cup cornstarch
1/2 tsp ground ginger
1/2 tsp cinnamon
Heat oven to 375°
In bowl, mix flour, sugar, cinnamon, and ginger. Add butter; work into flour mixture with fingers until coarse crumbs form. Stir in walnuts. Gather mixture together.
Peel apples. Halve; core. Cut into 1/4-inch thick slices. Place in large bowl. Add sugar, cornstarch, ginger and cinnamon; toss to coat apple slices.
Coat 2 1/2-quart baking dish with nonstick cooking spray. Spoon apple mixture into dish. Break topping into large crumb pieces; sprinkle over filling. Cover dish with foil.
Bake at 375° for 30 min. Uncover dish. Bake another 25 min or until top is crisp and browned and filling is thickened and bubbly. Let cool 15 min before serving.