Apple Crumble with Vanilla Custard (Easy British Pudding)
Tender, cinnamon-spiced Bramley apples under a golden, buttery oat crumble. Served warm with proper homemade vanilla custard.
The Quick Answer
Two things sink this pudding: a watery, sloppy filling and a custard that scrambles into sweet lumps. Pre-cook the Bramleys only until they begin to soften so they hold shape, and temper the hot milk slowly into the yolk-and-cornflour mix before returning it to gentle, constant heat.
Why does my apple crumble go watery underneath?
Bramley apples are about 85% water, and cooking ruptures their cells so that liquid floods out. If you stew them fully soft on the hob before baking, then bake another 35 minutes, that released juice has nowhere to go and pools beneath the crumble, steaming the underside soggy. The fix is restraint: cook the sliced apples with the sugar and just a tablespoon of water for only 5 to 8 minutes, until they begin to soften but still hold their shape, then let the oven finish them. The caster sugar also draws out moisture by osmosis, so keeping it modest and the cook time short means the juices reduce and bubble thickly at the edges rather than drowning the dish.
What does the cornflour do in the vanilla custard?
A pure egg custard is notoriously fragile: heat it past roughly 80°C and the yolk proteins clump, scrambling the mixture into grainy lumps. The 2 tablespoons of cornflour are insurance. Starch granules swell and gelatinise as the custard heats, thickening it and, crucially, physically getting between the egg proteins so they cannot bond into curds as easily. This raises the temperature at which the custard can safely simmer, making it far more forgiving on the hob than a yolk-only crème anglaise. That is also why you can heat it steadily until it visibly thickens in about 5 minutes. Whisking the cornflour in cold with the yolks and sugar first prevents it forming its own lumps when the hot milk hits.
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Random Recipe GeneratorAbout This Recipe
What is this dish?
Apple crumble is a classic British baked pudding — softened, spiced apples under a buttery, golden crumble topping. It is one of the simplest, most satisfying desserts in British cooking, served warm with custard, ice cream, or cream.
Why you'll love it
It is genuinely easy, uses simple ingredients, and produces a deeply comforting result. The combination of sharp apple, buttery crumble, and warm vanilla custard is one of the great dessert combinations.
When to serve
Sunday lunch, autumn and winter dinners, a dinner party pudding that can be largely prepared ahead.
Quick tips
Use Bramley apples. Use cold butter for the crumble. Pre-cook the apples. Stir the custard constantly.
Ingredient Highlights
Bramley Apples
The British cooking apple — tarter, larger, and more acidic than eating apples. They partially dissolve when cooked, creating a jammy, sweet-sharp filling. Available year-round in UK supermarkets.
Demerara Sugar
The coarser crystals of demerara sugar in the crumble topping don't fully dissolve during baking, creating crunchy, caramelised pieces in the topping.
Rolled Oats
Added to the crumble for texture — they toast in the oven and create a nuttier, more varied crumble compared to a plain flour and butter topping.
Substitution Options
Replace Bramley apples with rhubarb (reduce sugar to 1 tbsp, add 2 tbsp), pears, plums, or peaches. Add 1 teaspoon of vanilla extract to the apple filling. Replace plain flour with ground almonds in the crumble for a gluten-free version.
You'll likely need to buy
Likely in your pantry
Step-by-Step Instructions
Cook the apples
Preheat the oven to 190°C (fan 170°C). Place the sliced apples in a saucepan with the caster sugar, cinnamon, and water. Cook over medium heat for 5–8 minutes, stirring occasionally, until the apples just begin to soften but still hold their shape. Transfer to a 1.5-litre baking dish.
Chef's Tips
- ›Bramley apples break down more than eating apples — some will dissolve into a purée while others hold their shape, which gives the perfect texture.
- ›Pre-cooking prevents the crumble top from browning before the apples are cooked through.
Make the crumble
Rub the cold butter into the flour with your fingertips until the mixture resembles breadcrumbs. Stir in the demerara sugar, oats, and salt. Do not overwork — uneven, clumpy pieces of crumble are desirable.
Chef's Tips
- ›Cold butter is essential — warm butter makes the crumble greasy rather than crumbly.
- ›The large, clumpy pieces of crumble become the most golden and crunchy after baking.
Assemble and bake
Spread the crumble topping evenly over the apples, pressing very lightly into an even layer. Bake for 30–35 minutes until the crumble is deep golden and the apple juices are bubbling up around the edges.
Chef's Tips
- ›Bubbling edges indicate the apples are hot throughout.
- ›Don't press the crumble down hard — a light hand produces a more textured, crunchier topping.
Make the custard
In a bowl, whisk together the egg yolks, caster sugar, and cornflour. Heat the milk in a saucepan until just below simmering. Gradually pour the hot milk into the egg mixture while whisking. Return everything to the saucepan over medium heat. Stir constantly with a wooden spoon or spatula until the custard thickens — about 5 minutes. Remove from heat, add vanilla, and stir.
Chef's Tips
- ›Stir constantly once back in the pan — stopping causes the eggs to scramble.
- ›The custard is ready when it coats the back of a spoon and a line drawn through it holds.
Chef's Tips
Techniques that separate good from great
Add blackberries to the apple filling
Scatter 150g of fresh or frozen blackberries over the apples before adding the crumble. Apple and blackberry crumble is an upgrade in both flavour and colour — the blackberries turn the apple juices a deep purple.
Toast the oats for extra crunch
Spread the oats on a baking tray and toast at 180°C for 8 minutes until golden before adding to the crumble mixture. Toasted oats are nuttier, crunchier, and stay crisp longer.
Nutrition Facts
Per serving · Estimated values
* Estimated per serving based on a 2,000 calorie diet.
Equipment Needed
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Quick Tips
- Use Bramley apples — they are specifically a cooking apple that breaks down into a soft, sweet-sharp purée that dessert apples do not achieve.
- Cold butter rubbed into flour produces a crumbly topping. Warm butter produces a greasy one.
- Stir the custard constantly once it returns to the hob — any pause allows the eggs to scramble.
Recipe Variations
Different ways to make this dish your own
Apple and Blackberry Crumble
Add 150g of fresh or frozen blackberries to the apple filling. The blackberries turn the juice deep purple and add sharpness.
Rhubarb Crumble
Replace apples with 900g of rhubarb cut into 3cm pieces. Increase the sugar to 5 tablespoons. Rhubarb takes 5–6 minutes to soften.
Peach and Raspberry Crumble
Use 6 ripe peaches (halved, stoned, quartered) and 150g of raspberries in place of apples. Reduce cooking time to 25 minutes.
What to Serve With
Perfect pairings to complete the meal
Vanilla Custard
The definitive accompaniment — warm, glossy, pourable custard.
Clotted Cream
The most indulgent accompaniment — thick, rich clotted cream slowly melting into the hot crumble.
Vanilla Ice Cream
Cold against hot, creamy against crisp — a classic contrast.
Storage & Reheating
Keep it fresh and plan ahead
Refrigerator
Store covered for up to 3 days. Reheat in the oven at 180°C for 15 minutes.
Freezer
Freeze baked crumble for up to 3 months. Reheat from frozen covered with foil at 180°C for 35 minutes.
Make-Ahead
Assemble unbaked up to 24 hours ahead and refrigerate. Bake from cold adding 5 extra minutes.
Reheating
Cover with foil and reheat at 180°C for 15–20 minutes until hot throughout.
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