Preparation Preheat oven to 375°F. Butter 9 x 13 1/2-inch glass baking dish. For Topping: Mix old-fashioned oats, brown sugar, all purpose flour, ground cinnamon and salt in large bowl. Add unsalted butter and rub into mixture until coarse crumbs form. Mix in chopped walnuts. For Filling: Combine sliced apples, raisins, sugar, fresh lemon juice, flour and ground cinnamon in large bowl. Mix well to blend. Transfer apple-raisin filling to prepared dish. Spread topping over. Bake until topping is golden brown, about 55 minutes. Serve crisp warm with scoops of vanilla ice cream.
Preparation Preheat oven to 375°F. Butter 9 x 13 1/2-inch glass baking dish. For Topping: Mix old-fashioned oats, brown sugar, all purpose flour, ground cinnamon and salt in large bowl. Add unsalted butter and rub into mixture until coarse crumbs form. Mix in chopped walnuts. For Filling: Combine sliced apples, raisins, sugar, fresh lemon juice, flour and ground cinnamon in large bowl. Mix well to blend. Transfer apple-raisin filling to prepared dish. Spread topping over. Bake until topping is golden brown, about 55 minutes. Serve crisp warm with scoops of vanilla ice cream.