Apple Crumble and Vanilla Ice Cream

Ingredients

• 2 ½ cups old-fashioned oats
• 1 ½ cups golden brown sugar
• 16 tablespoons unsalted butter
• 1 tablespoon ground cinnamon
• 4 pounds large Granny Smith apples
• Nonstick vegetable oil spray
• 1 cup all purpose flour
• + 2 more ingredients
• • 3 tablespoons fresh lemon juice
  • Vanilla ice cream

Mix oats, 1 cup sugar, and flour in bowl. Add butter; rub in with fingertips until topping comes together in moist clumps. (Can be made 1 day ahead. Cover; chill.) Preheat oven to 375°F. Spray 13x9x2-inch glass baking dish with nonstick spray. Mix apples, lemon juice, cinnamon, and 1/2 cup brown ...

View full recipe at Epicurious