The Ultimate Apple Crumble Recipe | A British Classic

The humble crumble holds a very special place in the heart of British home cooking. Born of necessity during the Second World War as a simpler alternative to a suet or pastry-topped pie, it has since become a national treasure, and for very good reason. It is the epitome of comfort: warm, stewed fruit beneath a blanket of sweet, buttery, crisp rubble. It asks for very little but gives back so much in return.

However, a truly great crumble is a lesson in texture and balance. The topping must be light and crunchy, never claggy or dense. The fruit beneath must be soft and yielding, but not a watery mess. It’s a simple pudding, but like all simple things, it must be done properly. The secret, as is so often the case, lies in using the right ingredients and paying attention to the method.

This recipe is the result of many years of testing and tasting. It is, I believe, the definitive version. We will use the king of cooking apples, the Bramley, for its magnificent ability to cook down into a fluffy, tart purée. And for the topping, we will use the time-honoured 'rubbing-in' method to create that all-important sandy, crisp texture. Follow these steps, and you will have a perfect apple crumble to be proud of.

Why You'll Love This Recipe

Using Bramley apples is non-negotiable for the best result. Their high acidity and low sugar content means they collapse into a light, fluffy, and perfectly tart purée, providing the ideal contrast to the sweet topping.
The 'rubbing-in' method, using cold, cubed butter and just your fingertips, creates small, flour-coated pockets of fat. In the oven, these melt and create steam, resulting in a light, sandy, and exceptionally crunchy topping.
A final, generous sprinkle of demerara sugar before baking is the key to a professional finish. It creates a beautifully speckled, caramelised crust that adds an extra dimension of crunch and flavour.

Ingredients

For the filling:
900g (2 lb) Bramley apples
2 tablespoons water
50g (2 oz) granulated sugar, or to taste
¼ teaspoon ground cinnamon or mixed spice (optional)
For the crumble topping:
225g (8 oz) plain flour
110g (4 oz) unsalted butter, cold and cut into small cubes
110g (4 oz) demerara sugar, plus extra for sprinkling

Equipment Needed

1.4 litre (2½ pint) ovenproof dish · Large mixing bowl · Baking tray · Sharp knife · Vegetable peeler · Weighing scales · Measuring spoons

Step-by-Step Instructions

First, pre-heat your oven to 180°C (160°C Fan, Gas Mark 4). Select a 1.4 litre (2½ pint) capacity ovenproof pie dish.
Now, make the crumble topping. Sift the flour into a large, cold bowl. Add the cubes of cold butter. Using just the tips of your fingers, lightly and briskly rub the butter into the flour. Lift your hands as you do it to incorporate air. Stop when the mixture resembles coarse breadcrumbs with a few larger, pea-sized lumps of butter remaining – this is good for texture. Do not overwork it or the topping will be heavy.
Stir the demerara sugar into the flour and butter mixture with a fork. Set the bowl aside in a cool place while you prepare the apples.
Next, prepare the fruit. Peel the Bramley apples, cut them into quarters, and remove the cores. Slice each quarter into chunks about 1-2cm thick. Don't slice them too thinly or they will turn to complete mush.
Place the apple slices into your chosen dish, spreading them out evenly. Sprinkle over the granulated sugar, the optional cinnamon or mixed spice, and the 2 tablespoons of water.
Now, spoon the crumble topping evenly and loosely over the apples. It's very important that you do not press the topping down; this will make it dense and cakey. The surface should be uneven to allow it to crisp up beautifully.
Sprinkle an extra tablespoon of demerara sugar over the surface for a final, crunchy finish.
Place the dish on a baking tray (to catch any bubbling juices) and bake on the middle shelf of the pre-heated oven for 40-45 minutes. The crumble is ready when the topping is crisp and golden brown, and you can see hot apple juice bubbling up around the edges.
Allow the crumble to settle for 10 minutes before serving. It will be fiercely hot straight from the oven.

Delia's Notes from the Kitchen

The 'rubbing-in' method is one of the cornerstones of British baking, a skill that will serve you well for scones, pastries, and all manner of cakes. The aim is not to completely incorporate the butter, but to create a mixture of coarse, flour-coated crumbs. Don't be tempted to use a food processor; it's too efficient and will over-mix the ingredients, leading to a dense topping. The light touch of your fingertips is what makes all the difference.

Substitutions

Apples: If you cannot find Bramleys, use a sharp eating apple like Braeburn or Granny Smith. You may need to add a little less sugar and a squeeze of lemon juice to prevent browning.
Flour: You can add 50g of rolled oats to the flour mixture for a more rustic, chewy texture. Reduce the flour by the same amount.
Sugar: Light brown soft sugar can be used in the topping for a slightly richer, more caramel flavour.

Serving Suggestions

An apple crumble is not complete without something creamy to accompany it. Proper homemade custard is the classic, traditional partner. Alternatively, a jug of cold double cream, or a scoop of very good quality vanilla ice cream melting into the warm fruit, are both equally wonderful. For more reliable classics, you might also enjoy our The Ultimate Banoffee Cheesecake and My Foolproof Melting Chocolate Puddings.

How to Store & Reheat

Store any leftovers covered in the refrigerator for up to 3 days. To reheat, place the dish in an oven preheated to 160°C (140°C Fan, Gas Mark 3) for 15-20 minutes, or until the topping is crisp and the fruit is heated through. I would advise against using a microwave, as it will make the crumble topping soft and soggy.

Frequently Asked Questions

Why is my crumble topping soggy instead of crunchy?

This is usually caused by one of three things: the butter was too soft or melted when you started, you over-worked the mixture when rubbing it in, or you pressed the topping down onto the fruit. Always use cold, hard butter and keep a light touch.

Can I use different apples besides Bramley?

Yes, you can, but the result will be different. Bramleys are prized for collapsing into a soft, fluffy purée. Eating apples will hold their shape more, resulting in a firmer, chunkier filling. If using eating apples, you might want to pre-cook them gently in a saucepan for 5 minutes before assembling the crumble.

How do I prevent the fruit filling from being too watery?

Bramley apples release a lot of juice, which is part of their charm. The two tablespoons of water are just to get them started. If you find your crumbles are consistently too wet, you can toss the apples in one teaspoon of cornflour along with the sugar before adding the topping. This will help to thicken the juices.

Can I make apple crumble ahead of time?

Yes. You can assemble the entire crumble, cover it, and keep it in the refrigerator for up to 24 hours before baking. Alternatively, you can bake it completely, let it cool, and then reheat it in the oven as per the storage instructions just before you wish to serve it.

Can I freeze apple crumble?

Certainly. It freezes very well either baked or unbaked. For an unbaked crumble, wrap the dish tightly in clingfilm and foil and freeze for up to 3 months. Bake from frozen, adding an extra 20-25 minutes to the cooking time. For a baked crumble, cool completely, wrap well, and freeze. Reheat from frozen in the oven until hot and bubbling.

A Proper British Apple Crumble