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Sardine and potato gratin
For this astonishing gratin, part gratin and part clafoutis, we combine potatoes, cooked shallots and pieces of sardines in oil.
2,998
1 hour 20 min.
Easy
2.25 €
4 people
11 IngredientsLast modified on: October 22th 2025
100 g 
100 g 
2 
2 
2 tins sardines in oil
800 g cooked potatoes
50 g 
Times for this recipe
Preparation: 30 min.
Cooking: 55 min.
All in all: 1 hour 20 min.
If you start now, at , you will finish around : ?.Change start time
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Step by step recipe
Stage 1 - ⌛ 5 min.
Stage 3 - ⌛ 3 min.
Remove the sardines from the tins and cut into small pieces (you can remove the bones and tails if you prefer).
Set aside.
Set aside.
Stage 4 - ⌛ 5 min.
Cut 800 g cooked potatoes into medium-sized pieces.
Stage 5 - ⌛ 20 min.
Stage 6 - ⌛ 1 min.
In the same pan, pour 3 tablespoons of oil, and when hot, add the shallots.
Season with salt and pepper, and cook for 1 minute, stirring constantly.
Set aside.
Season with salt and pepper, and cook for 1 minute, stirring constantly.
Set aside.
Stage 7 - ⌛ 3 min.
Assembling the gratin
Preheat oven to 200°C (390°F).
Pour half the potatoes into a buttered gratin dish.
Stage 8 - ⌛ 2 min.
Pour over the cooked shallots.
Stage 9 - ⌛ 2 min.
Then the sardines.
Stage 10 - ⌛ 2 min.
Chopped parsley.
Stage 11 - ⌛ 2 min.
And finally, the other half of the potatoes.
Stage 12 - ⌛ 2 min.
Pour in the egg mixture, then sprinkle with 50 g grated cheese.
Stage 13 - ⌛ 30 min.
Bake at 200°C (390°F) for approximately 30 minutes.
Remarks
You can replace sardines in oil with other fish, fresh, smoked or canned too.
Keeping: A few days in the fridge, protected by cling film.
Source: Home made.
Nutritional information
| Proteins (gr) | Carbohydrates (gr) | Fats (gr) | Energy value (in k-calories) | Energy value (in k-joules) | |
|---|---|---|---|---|---|
| Whole recipe | 50 RDI=20 % | 170 RDI=20 % | 60 RDI=9 % | 1,410 RDI=70 % | 5,900 RDI: 70 % |
| Per 100 g | 4 RDI=2 % | 10 RDI=1 % | 4 RDI=1 % | 120 RDI=6 % | 490 RDI: 6 % |
| Per person | 10 RDI=5 % | 40 RDI=4 % | 10 RDI=2 % | 350 RDI=20 % | 1,480 RDI: 20 % |
How much will it cost?
- For 4 people : 2.30 €
- Per person : 0.60 €
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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.
This recipe uses (among others)
Cooked potatoes
Like these other recipes: Frichti from Bruxelles, Baked Camembert with Walnuts, Galette berrichone, Deep leek and potato quiche, Green beans and potatoes with Morbier cream sauce, ... See them all 57
Cream
Like these other recipes: Chicken and mushroom pie, Gratin Comtois, Watercress soup, Lobster Thermidor, Mushroom velouté, ... See them all 122
Milk
Like these other recipes: Muffin dough, Liège waffles, Dublin fruit scones, Chocolate eclairs, Old style brioche, ... See them all 63
Grated cheese
Like these other recipes: Cauliflower and chickpea purée, Thin endive tart, Potato and two ham gratin, Stuffed baguette , Croque-monsieur potatoes, ... See them all 75
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