Air Fryer Apple Crumble

Air Fryer Apple Crumble

What I like about this air fryer method is that the topping can brown fast, while the apples still need a little head start. I cook the filling briefly on the stovetop so the apples soften evenly and the center does not lag behind while the crumble top gets too dark.

This version keeps the dessert practical: a small dish that fits the air fryer, a spiced apple filling that is lightly thickened before baking, and a buttery oat topping that turns golden and craggy. It is a good way to make a warm apple dessert without heating the whole oven.

Ingredients for Air Fryer Apple Crumble

• 4 medium apples, peeled or unpeeled and sliced (about 680g); use crisp apples such as Pink Lady, Fuji, or Granny Smith
• 1 tablespoon lemon juice
• 2 tablespoons unsalted butter, divided
• 2 tablespoons granulated sugar
• 1 1/2 teaspoons ground cinnamon, divided
• 1/4 teaspoon ground nutmeg
• Pinch of ground cloves
• 1 to 2 teaspoons cornstarch or all-purpose flour
• 3/4 cup all-purpose flour (about 95g)
• 1/2 cup old-fashioned oats (about 45g)
• 1/3 cup light brown sugar (about 65g)
• 1/4 teaspoon salt
• 1/2 cup cold unsalted butter, cubed (about 115g)
• 1 tablespoon Demerara sugar, for sprinkling

Crisp apples hold their shape better than softer varieties, and cold butter is what gives the topping its uneven, crumbly texture. For the thickener, I find cornstarch gives a cleaner finish, while flour works fine if that is what you have.

How to Make Apple Crumble in the Air Fryer

1. Prep the apples and dish: Slice the apples evenly so they soften at the same rate, then toss them with the lemon juice. Lightly grease a small baking dish or 1-quart oven-safe dish that fits your air fryer. Ramekins also work for individual portions.
2. Cook the filling briefly: In a saucepan or skillet over medium heat, melt 1 tablespoon of the butter. Add the apples, granulated sugar, 1 teaspoon of the cinnamon, nutmeg, cloves, and 1 to 2 teaspoons cornstarch or flour. Cook for 5 to 8 minutes, stirring now and then, until the apples are just starting to soften and the juices look lightly thickened. Do not cook them until fully soft.
3. Make the crumble topping: In a mixing bowl, combine the flour, oats, brown sugar, the remaining 1/2 teaspoon cinnamon, and salt. Add the cold cubed butter and rub it in with your fingertips, a fork, or a pastry cutter until the mixture looks sandy with small and medium clumps. It should hold together when squeezed but still look loose.
4. Assemble the crumble: Transfer the warm apple filling to the prepared dish and spread it into an even layer. Scatter the topping over the apples without pressing it down, then sprinkle the Demerara sugar over the top.
5. Air fry: Preheat the air fryer to 350°F (175°C) if your model preheats. Place the dish in the basket or on the tray with a little room around it for airflow. Air fry for 18 to 25 minutes, with no flipping or shaking. If your air fryer browns unevenly, rotate the dish once during cooking. Start checking early if you are using ramekins or a shallow dish.
6. Check for doneness: The topping should be golden brown and the oats should look toasted. The filling should be bubbling around the edges and hot in the center, and the apples should feel tender when pierced with a knife. If the top is browning too quickly before the center is ready, loosely cover it with foil for the last few minutes.
7. Rest before serving: Let the crumble sit for about 10 minutes. That short rest helps the filling thicken slightly so it spoons out more neatly.

Air Fryer Time and Temperature for Apple Crumble

350°F (175°C) is a reliable starting point for apple crumble in the air fryer. It gives the topping time to brown while the hot filling finishes bubbling underneath.

I rely on the visual cue more than the clock here because air fryers vary. Basket models and air fryer ovens can brown differently, and a shallow dish usually cooks more evenly than a deep one. If you use individual ramekins, begin checking before the full time range is up.

How to Keep the Crumble Topping Crisp

The part I pay attention to is moisture control. If the apples release too much liquid, the topping softens from underneath instead of staying crumbly.

• Use cold butter for the topping.
• Leave some larger clumps instead of mixing the crumble too finely.
• Do not press the topping into the fruit.
• Cook the apples first until the juices are lightly thickened.
• Leave a little space around the dish in the air fryer so the top gets good airflow.

Apple Crumble Variations

Apple Crumble Without Oats

If you do not want oats, replace them with more all-purpose flour for a finer, more delicate topping. Keep the butter cold so the crumble still forms small clumps instead of turning pasty.

Dairy-Free Apple Crumble

You can use vegan butter in both the filling and topping. Keep it cold for the crumble so you still get a loose, crumbly texture.

If you want another easy apple idea, try these Air Fryer Apple Slices with Cinnamon.

Why the Apples Are Cooked First

This recipe uses the air fryer as the finishing step, not the only cooking step. Starting the apples on the stovetop gives you better control over how much juice they release and helps prevent an undercooked center.

I usually look for apples that are just slightly firm when they come off the heat. They will finish softening in the air fryer while the crumble top turns golden.

Serving Air Fryer Apple Crumble

Serve it warm with vanilla ice cream, cream, or custard. If you want a richer finish, a little salted caramel sauce works well too.

You can also add 2 to 3 tablespoons of chopped walnuts or pecans to the topping if you want extra crunch.

If you are after a lighter apple snack, these Air Fryer Apple Chips are another good option.

For a different apple dessert, you might also like Air Fryer Apple Fritters.

How to Store and Reheat Air Fryer Apple Crumble

Store leftovers covered in the refrigerator for up to 3 days. The topping will soften in storage, especially once covered, but it reheats well.

To reheat, warm the crumble in the air fryer at a lower temperature until heated through, watching closely so the top does not overbrown. If it starts darkening before the center is warm, loosely cover it with foil for part of the reheating time.

You can also make the filling and crumble ahead, then assemble and air fry just before serving.

Nutrition

Nutrition is approximate and will vary with the apples used, whether you peel them, and the exact serving size.

• Servings: 6
• Serving size: about 1/6 of the crumble
• Calories: about 415 per serving
• Protein: about 3g per serving
• Fat: about 20g per serving
• Carbohydrates: about 58g per serving
• Per 100g: about 215 calories, 2g protein, 10g fat, 30g carbohydrates