Classic British Cauliflower Cheese
Comforting cauliflower florets smothered in a creamy, mustard-bright cheddar sauce, finished under a golden, bubbling crust. A proper British side that’s perfect for Sunday roast, a cosy midweek supper or as the star of a veggie plate.
Cauliflower cheese is the dependable, saucy hug of the British vegetable roster — it turns a humble head of cauliflower into something indulgent and irresistible. It’s the ideal side for a Sunday roast, a cosy bake for a midweek supper, or the star of a meat-free plate when you want comfort without faff.
This version keeps things simple and true: a smooth béchamel spiked with English mustard and nutmeg, sharp mature cheddar for proper bite, and a crisp topping for texture. Easy to make, impossibly moreish to eat — and yes, leftovers are excellent (if they survive).
Ingredients
- 800 g cauliflower — about 1 medium head, trimmed into even florets
- 75 g unsalted butter — 60 g for the sauce, 15 g for dotting the topping (optional)
- 60 g plain flour (all-purpose flour)
- 600 ml whole milk — warm — helps avoid lumps in the sauce
- 5 ml English mustard — or 1/2 tsp mustard powder reconstituted
- 5 ml Worcestershire sauce — optional but traditional
- 250 g mature cheddar, finely grated — about 200 g stirred into the sauce, 50 g reserved for the top
- 25 g Parmesan, finely grated — for extra savoury punch
- 5 ml sea salt — adjust to taste
- 5 ml freshly ground black pepper
- 0 ml ground nutmeg — a light pinch — very aromatic
- 50 g fresh breadcrumbs or panko — optional topping for extra crunch
- 30 ml fresh parsley, chopped — to garnish
Equipment
- ovenproof baking dish (approx 20 x 25 cm)
- large saucepan
- colander
- whisk
- cheese grater
Instructions
Preheat the oven to 190°C (375°F) / Gas 5. Butter an ovenproof dish roughly 20 x 25 cm (or equivalent).
Bring a large saucepan of salted water to a rolling boil. Add the cauliflower florets and simmer until just tender when pierced with a knife — about 8 minutes.
Drain the cauliflower in a colander, shake to remove excess water and let sit for a minute so the steam escapes (this helps the sauce cling). Meanwhile, warm the milk gently in another pan or microwave — warm milk prevents lumps when added to the roux.
Make the cheese sauce (béchamel-based): melt 60 g unsalted butter in a medium saucepan over medium heat. Add the flour and cook, stirring, for about 2 minutes to form a pale roux — don’t let it brown.
Remove the pan briefly from the heat and, whisking continuously, add the warm milk in a steady stream to avoid lumps. Return to medium heat and simmer gently, whisking, until the sauce thickens and is smooth — about 5 minutes.
Stir in the English mustard, Worcestershire sauce, ground nutmeg, salt and pepper. Remove the pan from the heat and stir in 200 g of the grated cheddar and the Parmesan until melted and smooth. Taste and adjust seasoning.
Place the drained cauliflower into the prepared dish in an even layer. Pour the cheese sauce over the cauliflower so it’s well coated.
Scatter the remaining 50 g grated cheddar and the breadcrumbs over the top. Dot with the remaining 15 g butter in small pieces, if using — this helps the topping brown evenly.
Bake in the preheated oven until the sauce is bubbling and the top is golden — 25–30 minutes.
Remove from the oven and leave to rest for 5 minutes. Sprinkle with chopped parsley and serve hot alongside roast meat, mashed potatoes or greens.
Tips
- Parboil the florets just until tender; you want them to hold their shape when baked. Overcooking at this stage makes a soupy bake.
- Warm the milk before adding to the roux — it prevents lumps and speeds up thickening.
- Add cheese off the heat. High heat can make the sauce grainy if the cheese separates.
- Make ahead: you can assemble the dish, cover and refrigerate for up to 24 hours. Add an extra 5–10 minutes to the bake time from chilled.
- If the sauce is too thin after assembly, bake uncovered until bubbling; if too thick, stir in a splash of milk to loosen before serving.
Substitutions
mature cheddar → Gruyère or Comté (same quantity)
Stays closeplain flour → gluten-free plain flour or rice flour (same quantity)
Stays closewhole milk → single cream or half-and-half (use 400 ml cream + 200 ml milk or straight 600 ml single cream)
Noticeably differentWorcestershire sauce → a few drops of soy sauce or a pinch of anchovy paste (use sparingly)
Stays closebreadcrumbs (topping) → crushed cornflakes or extra grated cheese (same quantity by volume)
Stays close
Nutrition
Per serving · estimated
- 540
- Calories
- 23 g
- Protein
- 24 g
- Carbs
- 42 g
- Fat
- 4 g
- Fibre
- 7 g
- Sugar
- 900 mg
- Sodium
FAQ
Can I use frozen cauliflower?
Yes — defrost and drain thoroughly, then pat dry. Frozen florets hold more water so drying well is essential to avoid a watery sauce.
How do I stop the cheese sauce from splitting?
Remove the sauce from direct heat before adding cheese and stir until melted. Avoid boiling once the cheese is in. If it looks grainy, a splash of warm milk and gentle whisking often helps.
Can I make this gluten-free?
Absolutely — swap plain flour for a gluten-free plain flour blend and use gluten-free breadcrumbs. The flavour and texture stay very close.
How long will leftovers keep?
Stored in an airtight container in the fridge, leftovers will keep 2–3 days. Reheat gently in a low oven (160°C/325°F) until hot, or microwave in short bursts, stirring to redistribute sauce.
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