Chard gratin à la Mornay


Chard gratin à la Mornay
For this very gourmet gratin, we'll mix bacon with whole chard, leaves and chops, and bind it all together with a delicious Mornay sauce.
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Last modified on: December 31th 2025
For 6 people, you will need:

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Times for this recipe
Preparation: 55 min.
Cooking: 55 min.
All in all: 1 hour 50 min.
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Step by step recipe


Stage 1 - ⌛ 20 min.
Chard gratin à la Mornay : Stage 1
Prepare, if you haven't already, 250 g mornay sauce.

Reserve.

Stage 2 - ⌛ 20 min.
Chard gratin à la Mornay : Stage 2
Prepare 1 kg Leaf beet (swiss chard), then set aside.

Stage 3 - ⌛ 3 min.
Chard gratin à la Mornay : Stage 3

Stage 4 - ⌛ 3 min.
Chard gratin à la Mornay : Stage 4
Cut 125 g belly (streaky) bacon into small lardons.

Stage 5 - ⌛ 4 min.
Chard gratin à la Mornay : Stage 5
In a large frying pan over medium heat, toast the lardons.

Stage 6 - ⌛ 1 min.
Chard gratin à la Mornay : Stage 6
When they have rendered some of their fat and are sufficiently browned, add the chopped shallot, salt and pepper.

Cook for 1 minute without browning.

Stage 7 - ⌛ 1 min.
Chard gratin à la Mornay : Stage 7
Add the chard chops, season with salt and pepper, then mix...

Stage 8 - ⌛ 10 min.
Chard gratin à la Mornay : Stage 8
...and cook covered, until just tender, check the seasoning, then transfer to a plate.

Stage 9 - ⌛ 3 min.
Chard gratin à la Mornay : Stage 9
Return the pan to the heat, pour in 4 tablespoons olive oil and, when hot, add the chard leaves.

Stage 10 - ⌛ 3 min.
Chard gratin à la Mornay : Stage 10
Cook for 2 or 3 minutes, stirring occasionally, until the leaves "fall off", i.e. become more tender.

Season with salt, then add to the chops.

Stage 11 - ⌛ 2 min.
Chard gratin à la Mornay : Stage 11
Preheat oven to 180°C (360°F).

In a gratin dish, place a layer of Mornay sauce on the bottom.

Stage 12 - ⌛ 3 min.
Chard gratin à la Mornay : Stage 12
Then half the chard, sides and leaves, covered with a layer of Mornay.

Stage 13 - ⌛ 1 min.
Chard gratin à la Mornay : Stage 13
Then add the other half of the chard.

Stage 14 - ⌛ 2 min.
Chard gratin à la Mornay : Stage 14
Then add the rest of the Mornay sauce, and sprinkle with grated 50 g Comté cheese.

Stage 15 - ⌛ 30 min.
Chard gratin à la Mornay : Stage 15
Bake for approximately 30 minutes at 180°C (360°F).
Remarks
When you make the Mornay sauce, use a smoked cheese if possible, such as smoked raclette, which goes very well with chard.
If this is the case, you can place the remaining cheese crumbs on the gratin before putting it in the oven, for an aesthetic effect (see photo above) and a nice little crunch.

If you don't have the time to make a Mornay sauce, a classic béchamel sauce will work just as well.
Keeping: Several days in the fridge, protected by cling film, and also freezes well.
Source: Home made.
Nutritional information
Proteins (gr)Carbohydrates (gr)Fats (gr)Energy value (in k-calories)Energy value (in k-joules)
Whole recipe140 RDI=50 %220 RDI=20 %370 RDI=60 %2,110 RDI=110 %8,840 RDI: 110 %
Per 100 g9 RDI=4 %10 RDI=1 %20 RDI=4 %140 RDI=7 %590 RDI: 7 %
Per person20 RDI=9 %40 RDI=3 %60 RDI=9 %350 RDI=20 %1,470 RDI: 20 %
The % figures are calculated in relation to the Recommended Dietary Intake , or RDI of 2,000 k-calories (or 8,400 k-joules) per day for a woman
Possible allergens in this recipe: milk, Gluten, egg
How much will it cost?
  • For 6 people : 3.80 €
  • Per person : 0.65 €

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Note: Be careful, these prices are only an estimate, you can consult the table of prices by ingredients used for this estimate.
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