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Crispy Cast Iron Apple Crisp Recipe with Easy Oat Topping

crispy cast iron apple crisp - featured image
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A cozy and forgiving apple crisp baked in a cast iron skillet with a buttery, crunchy oat topping. Perfect for chilly nights and simple comfort food cravings.

Ingredients

Scale
  • 6 cups apples, peeled, cored, and sliced (Granny Smith preferred, but Honeycrisp or Fuji work well)
  • 1/2 cup granulated sugar
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon ground nutmeg
  • 1 tablespoon fresh lemon juice
  • 1/2 cup all-purpose flour
  • 1 1/2 cups old-fashioned rolled oats
  • 1/2 cup packed brown sugar
  • 1/3 cup unsalted butter, cold and cubed
  • Pinch of salt

Instructions

  1. Preheat your oven to 350°F (175°C).
  2. Peel, core, and slice apples to make about 6 cups. Toss them in a large bowl with granulated sugar, cinnamon, nutmeg, lemon juice, and flour. Mix gently but thoroughly to coat all slices.
  3. Transfer the apple mixture evenly into a 10 to 12-inch cast iron skillet, pressing lightly so apples are snug but not mashed.
  4. In a separate bowl, combine rolled oats, brown sugar, salt, and cold cubed butter. Use a pastry cutter or fork to cut the butter into the oats until the mixture is crumbly with pea-sized butter bits.
  5. Sprinkle the oat topping evenly over the apples in the skillet without pressing down.
  6. Bake uncovered for 40-45 minutes until the topping is golden brown and crackly and the apples are bubbling around the edges. Tent loosely with foil during the last 10 minutes if topping browns too fast.
  7. Let the apple crisp cool for at least 15 minutes before serving to allow juices to thicken and flavors to meld.

Notes

Keep the butter cold when mixing the oat topping to create a crispy texture. Use fresh lemon juice to prevent apple browning. If apples seem watery, add 1 teaspoon cornstarch with the flour for extra thickening. You can swap all-purpose flour for almond flour or gluten-free blend for gluten-free version, and replace butter with coconut oil or plant-based butter for dairy-free. Tent with foil if topping browns too quickly.

Nutrition

Keywords: apple crisp, cast iron skillet, oat topping, easy dessert, fall dessert, comfort food, baked apples, cinnamon, nutmeg

Find it online: https://lucastable.com/crispy-cast-iron-apple-crisp-recipe-with-easy-oat-topping-tutorial/