Apple Crumble With Oat Topping
The image is AI-generated. Cooking times are estimates.
Apple crumble with oats combines a soft fruit filling with a rough, buttery topping. Oats add texture without turning the surface into a solid crust. Bake until the juices bubble at the edges as well as the topping browning; the apples underneath need time to soften.
Ingredient notes
Use apples that retain some shape when cooked. A mixture of tart and sweet apples gives a more rounded filling than one very sweet variety alone. Rolled oats provide distinct flakes, while quick oats make a finer topping. Keep the butter cold enough to form small crumbs.
Tips for a better result
Cut the apples into evenly sized slices so some do not remain hard while others collapse. Leave the topping loose instead of packing it down. A baking dish that is too deep slows the fruit cooking, so aim for a fairly even, shallow layer.
Substitutions and variations
Replace part of the apples with firm pears, checking tenderness as the fruit cooks. Cinnamon can be reduced or omitted. Dairy-free baking spread changes the topping and should be tested for both flavor and browning.
Storage and make-ahead tips
Cool and refrigerate covered leftovers promptly, using within 3–4 days. Reheat in the oven for a crisper topping or in the microwave for convenience. Keep custard or cream separately refrigerated.
A common question
Why is the topping powdery?
Dry patches can remain if the butter has not been distributed throughout the flour and oats. Rub until you have a range of small crumbs, with no large pockets of plain flour.
More from Crispe Kitchen
Explore the Desserts collection or read our cooking guides for more kitchen ideas.
Apple Crumble With Oat Topping
6 servings
Estimated prep: 20 minutes · Cook: 40 minutes · Rest/chill: 10 minutes
Equipment: Baking dish about 20 × 25 cm, mixing bowl
Ingredients
- 700 g peeled and cored apples, sliced
- 2 tbsp brown sugar for filling
- 1 tbsp lemon juice
- 1 tsp ground cinnamon, divided
- 100 g plain/all-purpose flour
- 80 g rolled oats
- 80 g cold unsalted butter, cubed
- 70 g brown sugar for topping
- 1 small pinch salt
Instructions
- Heat oven to 190°C/375°F. Toss apples with filling sugar, lemon juice, and half the cinnamon in the baking dish.
- Combine flour, oats, topping sugar, remaining cinnamon, and salt in a bowl.
- Rub in cold butter with fingertips until the mixture forms uneven crumbs.
- Scatter loosely over the apples. Bake for about 35–45 minutes, until the topping is golden, juices bubble, and the apples are tender when pierced.
- Rest for 10 minutes before serving; the fruit juices will be very hot.
Recipe notes
Follow the doneness cues as well as the timer. Ingredient sizes and equipment vary. Cut the apples into evenly sized slices so some do not remain hard while others collapse. Leave the topping loose instead of packing it down. A baking dish that is too deep slows the fruit cooking, so aim for a fairly even, shallow layer.