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Old-Fashioned Apple Crisp with Brown Sugar Oat Topping

Old-fashioned apple crisp with a brown sugar oat topping bakes until golden and crisp, while the cinnamon apple filling bubbles around the edges. Rest it for 15 minutes before serving so the filling can settle.
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Prep Time 20 minutes
Cook Time 50 minutes
resting 15 minutes
Total Time 1 hour 25 minutes
Servings: 8 servings
Course: Dessert
Cuisine: American
Calories: 390
Ingredients Equipment Method Notes

Ingredients
  

apple filling
  • 3 lb apples peeled, cored, and sliced 1/4 inch thick
  • 0.33 cup granulated sugar
  • 1 tbsp cornstarch
  • 1 tbsp lemon juice
  • 1 tsp ground cinnamon
brown sugar oat topping
  • 1 cup old-fashioned rolled oats
  • 1 cup all-purpose flour
  • 0.67 cup light brown sugar packed
  • 0.25 tsp kosher salt
  • 0.5 cup unsalted butter cold and cut into small cubes

Equipment

  • 1 9x13-inch baking dish

Method
 

Prepare the apple filling
  1. Heat the oven to 375°F.
  2. Grease a 9x13-inch baking dish.
  3. In a large bowl, toss the apples with the granulated sugar, cornstarch, lemon juice, and cinnamon until evenly coated.
  4. Spread the apple mixture in the baking dish.
Make the brown sugar oat topping
  1. In a medium bowl, stir together the oats, flour, brown sugar, and salt.
  2. Add the cold butter and work it into the oat mixture with your fingertips or a pastry cutter until coarse crumbs form.
  3. Scatter the topping evenly over the apples.
  4. Bake for 45 to 55 minutes, until the topping is golden brown and the apple filling bubbles around the edges.
  5. Rest for 15 minutes before serving.

Notes

Keep the butter cold for a crumbly topping. Store covered in the refrigerator for up to 4 days; it can be frozen. For a gluten-free version, use a gluten-free all-purpose flour blend and certified gluten-free oats.