3/4 cup butter, softened 
1-1/2 cups packed brown sugar 
2 teaspoons ground cinnamon 
1/2 teaspoon salt 
2 cups all-purpose flour 
2 cups old-fashioned oats 
FILLING:
1 cup sugar 
3/4 cup all-purpose flour 
1/4 cup packed brown sugar 
1 teaspoon ground cinnamon 
1/8 teaspoon ground nutmeg 
3 large Honeycrisp or Golden Delicious apples, peeled and sliced (about 6 cups) 
3 teaspoons vanilla extract 
1 tablespoon butter 
Optional toppings: Vanilla ice cream, caramel sundae syrup and salted pecans
1. Preheat oven to 350°. In a large bowl, beat the butter, brown sugar, cinnamon and salt until crumbly. Add flour and oats; mix well. Press 3 cups oat mixture into the bottom of a greased 13x9-in. baking dish. 
2. In another bowl, mix the first 5 filling ingredients. Add apples and vanilla; toss to combine. Spoon over oat layer. Dot with butter; sprinkle with remaining oat mixture. 
3. Bake, uncovered, until golden brown and apples are tender, 45 to 50 minutes. If desired, serve with toppings.
TOTAL TIME: Prep: 30 min. Bake: 45 min. 
YIELD: 12 servings. 
Nutrition Facts
1 serving: 478 calories, 14g fat (8g saturated fat), 33mg cholesterol, 207mg sodium, 86g carbohydrate (53g sugars, 3g fiber), 5g protein.