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Why This Recipe Works
- Triple-green hit: broccoli florets, stalks and leaves give depth of flavour and zero waste.
- Stilton in two stages: melted into the soup for savoury backbone, then crumbled on top for punchy pockets.
- Butter & olive-oil combo: butter for flavour, oil to stop it burning—no scorched pans here.
- Potato, not flour: naturally thickens while keeping the soup gluten-free and silky.
- Blender-choice freedom: stick-blender in the pot = fewer dishes; countertop = velvet-smooth.
- Make-ahead magic: flavour improves overnight; freezer-friendly for up to three months.
- Seasonal flexibility: swap in purple-sprouting broccoli or even Romanesco when in season.
Ingredients You'll Need
The beauty of this soup lies in short, honest ingredient list. Buy the best you can afford—when there are only eight or so players on the stage, every one has to sing in tune.
- Broccoli (1 large head, ~600 g) – Look for tightly packed, dark-green florets and firm stalks. If the stalks are woody, peel them; the centre is sweet and tender. Weight is after trimming off the knobbly base.
- Stilton (150 g) – A proper PDO Stilton from Nottinghamshire, Derbyshire or Leicestershire will give you those blue-green veins and mellow saltiness. If you can only find a milder blue, bump the quantity up by 20 g; if it’s a fierce Roquefort, dial it back by 10 g.
- Butter (30 g) – Unsalted so you control the seasoning. British cultured butter adds faint nuttiness.
- Olive oil (1 tbsp) – Regular, not extra-virgin; you want a neutral heat buffer, not peppery Tuscan fruitiness.
- Onion (1 medium, ~150 g) – A white or yellow onion is sweetest. Dice small so it melts away.
- Garlic (2 cloves) – Lightly crushed then minced to avoid harsh raw bits.
- Potato (1 medium, ~150 g) – A floury Maris Piper or King Edward breaks down quickly and acts as the natural thickener. Waxy varieties work but take longer to collapse.
- Vegetable stock (900 ml) – Good-quality cube or homemade. Chicken stock is fine if you’re not feeding vegetarians.
- Double cream (100 ml) – Added off the heat to stop it splitting. Crème fraîche is a pleasant tangier swap; single cream works but gives a thinner body.
- Fresh thyme (2 sprigs) – Optional, but its gentle pine lifts the Stilton. Bay leaf is an acceptable one-note substitute.
- White pepper (¼ tsp) – Milder than black; keeps the colour speck-free. Black pepper is fine if you don’t mind the freckles.
All measurements are in metric because every kettle in Britain clicks off at 100 °C and every cook’s scale lives on the counter. If you’re Stateside, 150 g Stilton is roughly 5 oz; 900 ml stock is just shy of 4 cups.
How to Make Creamy Broccoli and Stilton Soup for British Lunch
Prep the vegetables
Separate the broccoli into small florets (keep a few prettiest ones for garnish). Peel the stalks and dice into 1 cm cubes. Dice the potato into similar-sized pieces so they cook evenly. Finely chop the onion and mince the garlic. Having everything ready means you can stir continuously without the butter browning.
Sweat, don’t colour
Melt the butter with the olive oil in a heavy-based pot over medium-low heat. Tip in the onion and a pinch of salt; sweat for 5 minutes until translucent and glassy. Add the garlic and cook 1 minute more. You want softness, not caramelisation—keep the heat gentle.
Build the base
Stir in the potato and thyme leaves (strip them off the sprigs). Cook for 2 minutes, coating every cube in the buttery onion. This brief contact heat-dries the potato and helps it absorb flavour rather than turning the stock cloudy later.
Add the stock
Pour in the hot stock, increase the heat to high, and bring to a boil. Scrape the bottom with a wooden spoon to release any sweet oniony bits. Once bubbling, drop to a lively simmer for 8 minutes.
Stage in the broccoli
Add the broccoli stalk cubes first; they’re denser. Simmer 4 minutes, then add the florets plus the reserved pretty florets in a small sieve so you can lift them out easily. Cook for 3 minutes until bright green and just tender. Over-boiling is the enemy of that vivid colour.
Cheese & cream
Remove the sieve of garnish florets and plunge into cold water to set the colour. Crumble 100 g of the Stilton into the soup; stir until melted and silky. Take the pot off the heat, wait 30 seconds, then stir in the double cream. This prevents the dairy proteins seizing into grainy specks.
Blitz to velvet
Use a stick blender directly in the pot, tilting it so the head is submerged to avoid hot splashes. Blend for a full minute, moving in slow circles, until no flecks of skin remain. For the silkiest finish, pass through a medium sieve into a clean pan, pressing solids with the back of a ladle.
Season & serve
Return to a gentle heat. Taste: you want salt to lift the Stilton, but remember the cheese is already salty. Add white pepper, then the remaining 50 g Stilton—some will melt, some will stay as little nuggets. Warm the reserved florets in the microwave for 15 seconds, then float them on top with an extra swirl of cream and a crack of black pepper if you like drama.
Expert Tips
Keep it green
Add a pinch of bicarbonate of soda to the blanching water for the garnish florets; alkalinity locks in chlorophyll. Just a pinch—too much turns veg mushy.
No Stilton? No panic
Use another British blue: Dorset Blue Vinny is milder, Shropshire Blue is buttery-orange. If you only have Danish blue, soak in milk for 10 minutes to tame the salt.
Texture tweak
For a chunkier “country” version, blend only two-thirds of the soup and stir the purée back into the pot. You’ll get chew plus silk in every spoonful.
Vegan switch
Swap butter for rapeseed oil, use oat milk thickened with 1 tbsp cashew butter, and sub in a vegan blue such as “Sheese” or simply leave cheese out and add 1 tbsp white miso.
Freezer smarts
Dairy-heavy soups can separate. Freeze before adding cream; stir it in gently when reheating and never boil again.
Speedy lunch boxes
Pour cooled soup into 300 ml thermos flasks; they’ll stay hot for 6 hours. Pack a tiny pot of extra Stilton for sprinkling at your desk.
Variations to Try
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Broccoli, Stilton & Apple – Add 1 peeled, diced Bramley apple with the onion; the gentle tartness plays beautifully against the salty cheese.
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Parsnip Swap – Replace half the potato with parsnip for honeyed depth; top with toasted hazelnuts.
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Spiked for Grown-Ups – Stir in 2 tbsp dry sherry or 1 tbsp cider brandy at the end for a boozy whisper.
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Crunch Factor – Scatter homemade croutons tossed in smoked paprika or a handful of toasted pumpkin seeds for contrast.
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Low-fat Friday – Replace cream with 0%-fat Greek yoghurt; temper it first by whisking in a few spoonfuls of hot soup before adding to the pot.
Storage Tips
Cool the soup completely—within two hours—to avoid the dreaded bacteria danger zone. Portion into airtight containers; it keeps 4 days in the fridge or 3 months in the freezer. If you plan to freeze, leave out the cream and final Stilton; stir them in once reheated. Thaw overnight in the fridge, then warm slowly over low heat, whisking occasionally. Reheat only once to preserve that fresh colour and flavour.
Frequently Asked Questions
Creamy Broccoli and Stilton Soup for British Lunch
Ingredients
Instructions
- Prep: Trim broccoli into small florets, peel and dice stalks. Dice potato to match.
- Sweat aromatics: Melt butter with oil, add onion and a pinch of salt; cook 5 min until translucent. Stir in garlic 1 min.
- Build base: Add potato and thyme, cook 2 min. Pour in hot stock, bring to boil, then simmer 8 min.
- Cook broccoli: Add stalk pieces 4 min, then florets 3 min until bright green.
- Cheese & cream: Blend in 100 g Stilton until melted. Remove from heat, stir in cream.
- Blend: Purée until smooth with stick blender; season with white pepper and salt.
- Serve: Reheat gently, crumble in remaining 50 g Stilton, garnish with reserved florets and a swirl of cream.
Recipe Notes
For a deeper hue, save a handful of raw florets, microwave in 1 tbsp water for 45 seconds, and blend with a splash of soup to create a vivid topping purée.
