Spiced Apple Crisp

Name: Spiced Apple Crisp
Prep time: 20 min
Cook time: 40 min
Yield: 12
Ingredients: Apple Filling; 12 cups (3 liter) thinly sliced peeled apples such as Golden Delicious or Granny Smith (about 9 apples); 1 tbsp (15 ml) lemon juice; 1 tsp (5 ml) pure vanilla extract (club house); 2 tbsps (30 ml) cornstarch; 1 tbsp (15 ml) apple pie spice (club house); Streusel Topping; 3/4 cup (175 ml) firmly packed light brown sugar; 1/2 cup (125 ml) all-purpose flour; 1/2 cup (125 ml) old-fashioned oats; 1/2 cup (125 ml) butter cut into pieces