Top 10 · Updated October 2026

Highest-Protein Fish Gratin

Fish gratin: typically 8.1 g of protein per 100 g (median of 51 products). The fish gratin with the most protein per 100 g. Useful if you are trying to increase your protein intake. We checked 49 fish gratin with complete data.

1

Filet de poisson à la bordelaise

Delhaize · 400 g

b NOVA 4 130 kcal 0.5 g sugar 13.2 g protein 7 g fat
2

Extra Fine Fish Gratin, French Recipe

Findus · 380 gram

b 150 kcal 0.5 g sugar 13 g protein 8.7 g fat

Also: No additives
3

Grattin de Spaetzele de la mer

La Cuisine du Poissonnier · 450 g

d NOVA 3 219 kcal 1.6 g sugar 12 g protein 13 g fat

Also: Palm oil free · No additives
4

2 Smoked Haddock Gratins

Waitrose · 2 x 150g

d NOVA 4 163 kcal 0.7 g sugar 11.5 g protein 10.3 g fat

Also: Palm oil free
5

Vis gratin de poisson tomate mozzarella

Iglo · 425 g

a 78 kcal 1.2 g sugar 11 g protein 2.4 g fat
6

Vis gratin de poisson aux légumes verts & crumble topping

Iglo

a NOVA 4 97 kcal 1.1 g sugar 11 g protein 3.2 g fat

Also: Palm oil free
7

Ovnsbakt Fiskefilet m/ brokkolisaus

Findus · 380 g

b NOVA 4 89 kcal 1.2 g sugar 11 g protein 2.9 g fat

Also: No additives
8

Gratin de saumon frais aux épinards

c 177 kcal 1.2 g sugar 11 g protein 14 g fat
9

Schlemmer Filet

Iglo

175 kcal 0.9 g sugar 11 g protein 10 g fat
10

Filet de poisson à la méditerranée

Ocean Sea · 400 g

b NOVA 4 106 kcal 1.2 g sugar 10.5 g protein 6.1 g fat

Also: Palm oil free

How we built this list

We ranked all published fish gratin on Foodmetria that have a photo and the required nutrition data, using values per 100 g from the product label. Ties are broken by Nutri-Score and by how often shoppers scan the product. Rankings update automatically as label data changes. Read our methodology.

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