A weeknight when everyone is tired, or a Sunday lunch with no great ambition. The hard-boiled egg gratin with béchamel is made for those moments. Simple, comforting, economical — and honestly much better than you think before you make it.

What comes out of the oven is a surface golden like light caramel, with a few bubbles still crackling on the edges. Underneath, the béchamel has stayed creamy, almost liquid in spots, and the eggs have absorbed all that richness during baking. It smells like melted cheese mixed with nutmeg — a low, warm, deeply familiar scent. A dish with nothing to prove.
Why you’ll love this recipe
Ingredient Notes

Everything you need for a comforting family gratin: hard-boiled eggs, turkey ham, homemade béchamel, and good grated cheese.
- Eggs : The base of the dish. Store-bought eggs work perfectly — no need to seek out farm-fresh for this recipe. The important thing is not to overcook them: 10 minutes at a simmer, no more. Overcooked, the yolk turns gray-green and becomes dry.
- Turkey ham : We use turkey ham instead of regular ham. Same use, same texture, and blindfolded in a gratin with this béchamel, no one can tell the difference. Choose a plain version, not smoked, so it doesn’t overpower the other flavors.
- Béchamel : This is what transforms everything. You can make it from scratch in ten minutes — butter, flour, milk, nutmeg — or use a store-bought béchamel if you’re really pressed. Homemade will be thicker and more flavorful. Both work.
- Grated cheese : Emmental or Comté, and you’re set. Avoid pre-shredded ‘gratin’ blends if you can: they often contain additives that create a weird crust during baking. Grate your own cheese if you have five minutes.
Eggs first
Ten minutes in simmering water — not boiling vigorously, just simmering. Too hot, the egg cracks and the white bursts into the water. Once the time is up, plunge them directly into a bowl of cold water. This stops the cooking instantly. Peeling is easier, and the yolk stays bright yellow without that gray film of overcooking. Cut them in half lengthwise. Clean.

Homemade béchamel in ten minutes
In a saucepan over medium heat, melt 40g of butter. When it foams and starts to smell like butterscotch, add 40g of flour all at once. Whisk without stopping for two minutes — the paste that forms should become slightly blonde and smell nutty; that’s the sign it’s cooked. Then gradually pour in 500ml of whole milk, whisking constantly, and watch until it thickens. Salt, black pepper, a generous pinch of nutmeg.
Assembly — really simple
A gratin dish not too large, so the ingredients overlap a bit rather than being scattered. Place the egg halves yolk-side up, tuck the turkey ham pieces between them. No need to be artistic. Pour the béchamel over the top, making sure everything is well covered — it protects the eggs from drying out during baking. Then a generous layer of grated cheese, don’t skimp.
The oven does the rest
180°C convection, and leave it alone for twenty to twenty-five minutes. The surface should reach that specific golden color — not brown, not pale, but the color of light caramel with a few darker spots where the cheese has slightly crisped. You can run it under the broiler for two minutes if it’s taking too long to brown. When you take the dish out, let it rest for three minutes before serving. Boiling béchamel really burns.

Tips & Tricks
- If your béchamel has lumps: blend it with an immersion blender for thirty seconds. Perfect. No need to start over.
- The dish can be assembled the day before, covered and refrigerated — but add the grated cheese just before baking, otherwise it absorbs moisture and browns less well.
- A green salad with a slightly acidic vinaigrette balances the richness of the gratin. A touch of mustard in the vinaigrette, and the pairing is perfect.

Can this gratin be prepared in advance?
Yes, it’s even recommended. Assemble the complete dish — eggs, ham, béchamel — and refrigerate for up to 24 hours. Add the grated cheese just before baking: placed too early, it absorbs moisture and browns less well.
Can this gratin be frozen?
Technically yes, but the result is disappointing. The béchamel tends to separate upon thawing and the eggs become rubbery. Better to eat it fresh or within two days in the fridge.
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