The short version
Raw egg yolks buried in a mix of salt and sugar for about a week, then dried until they're firm, translucent and bright gold. Grated with a microplane, they fall like golden snow and taste rich, salty and savory. It's a chef's trick that costs pennies and makes a plain bowl of burrata look like a restaurant dish.
What it is
Curing egg yolks is an old technique from Asian and European kitchens that has become a modern chef favorite. Yolks are nestled into a bed of salt and sugar, covered and refrigerated for four to seven days. Then they're rinsed and dried in a low oven or in the fridge until firm. Many people call them "egg yolk bottarga."
- Taste
- rich, salty, savory, like an eggy aged parmesan
- Texture
- firm and fudgy when sliced; fine and fluffy when grated
- Look
- translucent amber-gold spheres, bright orange-gold when grated
Osmosis is the mechanism. Salt and sugar draw water out of the yolk through its membrane, while salt moves in. As the yolk loses water, its proteins and fats concentrate and set into a firm gel. What's left is the yolk's natural richness plus a lot of salt, packed into a form you can grate.
What it pairs with — and why
| Pair it with | Why it works |
|---|---|
| Burrata | Golden shavings on white cream. Rich on rich, with a salty finish. |
| Crostini with olive oil | A crunchy, plain base that lets the yolk shine. |
| Fresh mozzarella | Mild cheese that needs seasoning. |
| Asparagus or crudités | The classic egg partner, for a spring board. |
| Good olive oil | Fat carries the savory flavor. |
| Champagne, Chablis or a dry sherry | Bright acid against rich, salty yolk. |
Skip it with: dessert items. It's salty and savory, and the sugar in the cure isn't enough to make it sweet.
How to prep it for the board
- Start a week ahead. Mix equal parts kosher salt and sugar, make wells, slide in the yolks and cover with more cure.
- Refrigerate 4 to 7 days until the yolks feel firm, like gummy candy.
- Rinse, pat dry and dry them in the oven at its lowest setting (150 to 170°F) for about an hour, or uncovered in the fridge for a day.
- Serve about half a yolk per person, grated.
- Grate it over burrata or crostini at the table with a microplane.
- Fix: if a yolk is still soft in the center, return it to the fridge uncovered for another day.
What to buy
| Product | Where | Notes |
|---|---|---|
| Vital Farms Pasture-Raised Eggs | Most grocery stores | Deep orange yolks give the best color. |
| Davidson's Safest Choice Pasteurized Eggs | Grocery stores | Pasteurized in the shell, for extra safety. |
| Diamond Crystal Kosher Salt | Most grocery stores | Easy to rinse off; won't over-salt the yolks. |
| Microplane grater | Kitchen stores, Amazon | Gives the fine, snowy shavings. |
| Bottarga | Italian delis | The fish-roe version, if you want the original. See its own page. |
Label check: the freshest eggs you can find. Older yolks are more likely to break when you handle them.
Skip: cracking the yolks straight into the cure. Separate each into a small bowl first so a broken one doesn't ruin the batch.
Quick FAQ
What are cured egg yolks?
Raw egg yolks buried in salt and sugar for several days. The cure draws out moisture until the yolks are firm enough to grate, like a hard cheese.
What do they taste like?
Rich, salty and savory, a bit like aged parmesan with an eggy richness. They're often compared to bottarga.
Are cured egg yolks safe to eat?
They're raw yolks preserved by salt and drying. Use very fresh eggs, pasteurized if you want extra safety, keep them in the fridge and avoid them for pregnant guests.
How long do they keep?
About a month in an airtight container in the fridge.
Can I buy them?
They're rarely sold. They're easy to make at home with eggs, salt and sugar.
