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Apple Crisp With Oats

Apple Crisp With Oats features a bubbling cinnamon apple filling topped with a deeply golden rolled oat crumble. Bake until the corners bubble and the topping forms large, crisp clumps for that classic texture.
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Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings: 8 servings
Course: Dessert
Cuisine: American
Calories: 420
Ingredients Equipment Method Notes

Ingredients
  

Apple filling
  • 6 large apples (mix of tart and sweet) peeled and sliced
  • 0.3333333333 cup granulated sugar
  • 2 tbsp brown sugar packed
  • 2 tsp cinnamon
  • 0.25 tsp nutmeg
  • 0.25 tsp allspice
  • 2 tbsp cornstarch
  • 1 tbsp lemon juice
Rolled oat crumble
  • 2 cup old-fashioned rolled oats
  • 1 cup all-purpose flour
  • 1 cup brown sugar packed
  • 1.5 tsp cinnamon
  • 0.25 tsp salt
  • 1 cup cold unsalted butter, cubed
  • 1 vanilla ice cream or whipped cream for serving

Equipment

  • 1 sheet pan

Method
 

Prep and fill
  1. Preheat the oven to 375F and grease a 9x13 baking dish.
  2. Toss the apple slices with granulated sugar, brown sugar, cinnamon, nutmeg, allspice, cornstarch, and lemon juice, then spread them in the prepared dish.
Make oat crumble
  1. Combine the rolled oats, flour, brown sugar, cinnamon, and salt, then cut in the cold butter with your fingertips until large chunks and clumps form.
  2. Scatter the crumble evenly over the apples so every surface is covered.
Bake and serve
  1. Bake for 40-45 minutes at 375F until the oat topping is deeply golden and the apple filling is bubbling, especially at the corners.
  2. Cool for 10 minutes, then serve warm with vanilla ice cream or whipped cream.

Notes

To keep the crumble extra crisp, use cold butter and stop mixing as soon as you see large clumps. Store covered in the refrigerator up to 4 days; reheat individual portions in a 350F oven until warmed through. Freezing is okay, though the topping may soften slightly when thawed. For a lighter option, swap part of the butter (about half) with neutral oil or use a plant-based butter that bakes similarly.