By Beleaev Family | International Caviar & Gourmet, Head Office London | beleaev.com
Truffle butter is the home cook's secret weapon. A small log of properly infused truffle butter in your fridge means any dish (steak, eggs, pasta, risotto, vegetables) can be elevated to restaurant-level in under 30 seconds.
Most truffle butter you buy in shops is rubbish. The cheap supermarket versions contain truffle oil (synthetic) rather than real truffle. The premium deli versions cost £30 for 100g and use just enough truffle to legally call it truffle butter.
Making your own is the answer. 100g of butter plus 10-15g of fresh truffle gives you a properly aromatic compound butter that delivers genuine truffle flavour with every slice. Cost: around £25-30 for a portion that lasts a fortnight.
Key Takeaways
- Use real fresh truffle (Tuber melanosporum or Tuber magnatum), never truffle oil
- Soften the butter properly before mixing, never melt
- 10-15g of truffle per 100g of butter is the right ratio
- Refrigerate at least 24 hours before first use, flavour deepens
- Keeps 7 days in the fridge, 3 months in the freezer
The Ingredients
Makes 110-115g, enough for 4-5 generous uses
- 100g unsalted butter, softened to room temperature
- 10-15g fresh black truffle (Tuber melanosporum)
- 1/4 to 1/2 tsp fine sea salt (depending on your butter)
- A small pinch of white pepper
- Optional: 1/2 tsp aged sherry vinegar or lemon juice
- Optional: 1/2 tsp finely chopped fresh thyme
The butter should be unsalted French or Welsh, with a high fat content (82-84%). Avoid spreadable butter, low-fat alternatives, or anything with added flavours. Lurpak, Beurre d'Échiré, or Lescure are all excellent choices.
The truffle should be Tuber melanosporum (winter black truffle, December-March) for proper depth, or Tuber magnatum (white truffle, October-December) for a more delicate version. Avoid summer truffle (Tuber aestivum), the flavour is too weak.
The Method, Step by Step
Step 1: Soften the Butter Properly
Take the butter out of the fridge 1-2 hours before mixing. It should yield easily to gentle finger pressure but still hold its shape. Not melted. Not chilled.
If you're impatient, cube the butter into 1cm pieces and let them sit at room temperature for 30 minutes. Don't microwave. Microwaving destroys the texture.
Step 2: Prepare the Truffle
Brush the truffle gently with a soft toothbrush to remove dirt. Wipe with a barely damp cloth. Pat completely dry. Don't wash with water, truffles absorb moisture and lose flavour.
Finely grate the truffle on a Microplane, or chop very finely with a sharp knife. The smaller the pieces, the better the flavour distribution through the butter. Aim for almost paste-like consistency.
Step 3: Combine
In a bowl, mix the softened butter with the grated truffle, salt, white pepper, and optional sherry vinegar.
Mix vigorously with a wooden spoon or rubber spatula for 2 minutes until completely uniform. The mixture should look pale grey-brown with visible flecks of darker truffle throughout.
Taste a tiny amount. Adjust salt if needed. Some butters are slightly salted even when labelled unsalted, so the salt level varies.
Step 4: Shape and Wrap
Lay a sheet of greaseproof paper on the work surface. Spoon the truffle butter into a line along the centre of the paper.
Roll the paper around the butter to form a small cylinder roughly 3cm in diameter. Twist the ends like a sweet wrapper. Press gently to compact the butter inside.
Refrigerate for at least 24 hours, ideally 48. The aroma deepens significantly with time as the truffle flavour infuses the butter throughout.
Step 5: Slice and Use
When ready to use, cut 1cm-thick rounds from the cold log. Each round is roughly 10g, the right amount for one steak, one bowl of risotto, or one serving of pasta.
For longer storage, wrap the log in cling film over the greaseproof paper, then in aluminium foil, and freeze. It keeps 3 months and slices straight from frozen.
10 Ways to Use Truffle Butter
1. On hot steak: A 1.5cm-thick slice on a freshly seared steak as it rests. The butter melts slowly during the rest, basting the meat with truffle.
2. In risotto: Add 30-40g during the mantecatura stage (off the heat) to finish a plain risotto. Replaces the standard cold butter and adds truffle depth.
3. On scrambled eggs: Stir 15g into scrambled eggs at the off-heat finishing stage. See our truffle scrambled eggs recipe.
4. In mashed potatoes: Mash 50g into hot mashed potatoes for the easiest luxury side.
5. On pasta: Toss hot cooked pasta with 30g of truffle butter and a generous handful of grated parmesan. 4-ingredient luxury.
6. Under chicken skin: Slip a 60g portion under the skin of a roast chicken before cooking. See our truffle roast chicken post.
7. On grilled vegetables: A 15g slice on hot grilled asparagus, courgette, or aubergine. Melts on contact.
8. On baked potatoes: A generous slice on a hot fluffy baked potato. The butter pools into the cracks and infuses through.
9. On popcorn: Yes, really. A melted tablespoon over freshly popped corn is a luxury cinema snack at home.
10. Spread on warm bread: A thin layer on a warm toasted slice of sourdough makes the simplest possible canapé.
Tips for Getting It Right
Don't melt the butter. Softened butter mixed with truffle holds the aromatic compounds and texture beautifully. Melted butter loses some of the truffle aroma and the texture changes.
Salt level matters. Different butters have different salt levels even when labelled unsalted. Always taste and adjust.
Use the truffle within 48 hours of purchase. Fresh truffle aroma dissipates rapidly. The day you buy it is the best day to make truffle butter.
Don't add too many other flavours. The truffle is the star. Adding garlic, multiple herbs, mustard, or other strong flavours masks the truffle. Salt, pepper, and a tiny touch of acid (vinegar or lemon) is the maximum you should add.
Freeze if not using within a week. The fridge life is 7 days max. Beyond that, the aroma noticeably fades. Freezing locks in the flavour for 3 months.
Variations and Pairings
With white truffle: Substitute 10g of white truffle for the black. Use within 24 hours, white truffle aroma fades faster. White truffle butter pairs beautifully with eggs, pasta, and white fish.
With caviar pairing: Use the truffle butter on a baked potato topped with caviar. The combination of truffle and caviar in one bite is exceptional.
With herbs: Add 1 tsp of finely chopped fresh thyme or chervil to the butter mixture. Slightly modernises the flavour and works well with chicken.
With lemon zest: A small amount of finely grated lemon zest brightens the butter and pairs particularly well with seafood and pasta dishes.
For more truffle recipes, see our black truffle risotto and tagliatelle al tartufo posts.
Frequently Asked Questions
How long does homemade truffle butter keep?
Refrigerated, 7 days at peak flavour. Frozen, 3 months. The flavour deepens over the first 48 hours of refrigeration, plateaus for a few days, then starts to fade. For longer storage, freeze immediately after the 24-hour rest period.
Can I use truffle oil instead of fresh truffle?
The result will be inferior. Most truffle oils contain synthetic 2,4-dithiapentane rather than real truffle, and the flavour is harsh and artificial. If fresh truffle isn't available, the dish is better with plain butter than fake truffle butter.
How much truffle butter per portion?
For steak, scrambled eggs, or one bowl of pasta or risotto: 10-15g per portion. For roast chicken: 60g for the whole bird. For mashed potatoes for 4: 50g. For grilled vegetables for 4: 30-40g.
Can I make truffle butter with frozen truffle?
Yes, frozen truffle works well for butter (better than for shaving fresh, in fact). Defrost slowly in the fridge or use partially frozen for grating. The texture is slightly different but the aroma comes through cleanly.
Further Reading
Homemade truffle butter is one of those things that transforms cooking. A log of it in the fridge means luxury is 30 seconds away from any plain dish. Discover Beleaev's caviar collection, the natural partner for any truffle butter dinner, at Périgord Black Truffle. Browse the full collection at beleaev.com.
Beleaev is an international caviar and gourmet house headquartered in London, with fulfilment hubs across the UK, Europe, the UAE, and the United States. We deliver responsibly farmed Beluga, Oscietra, Sevruga, and Kaluga caviar to customers in each region within 24 to 48 hours.
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