Cheesy Smoked Mackerel Gratin.

You can cook Cheesy Smoked Mackerel Gratin using 11 ingredients and 8 steps. Here is how you achieve that.

Ingredients of Cheesy Smoked Mackerel Gratin

1. You need 1 of lemon.
2. Prepare 400 g of potatoes.
3. It’s 1 tablespoon of dijon mustard.
4. You need 30 g of rennet-free parmesan.
5. You need 100 g of smoked mackerel fillet.
6. Prepare 2 of little gem lettuce.
7. Prepare 1 of pot of organic double cream.
8. You need 1 of dried bay leaf.
9. You need 150 ml of milk.
10. It’s 2 tablespoons of olive oil.
11. You need Pinch of pepper and salt.

Cheesy Smoked Mackerel Gratin instructions

1. Preheat the oven to 220°C / 200°C (fan) / 425°F/ Gas 7..
2. Peel and slice the potatoes, about the thickness of a pound coin. Then grate the zest of lemon..
3. Add the sliced potato, bay leaf, lemon zest, 100ml of double cream, dijon mustard and 150ml of milk in a larga pot over a medium-low heat. Simmer gently for 10 minutes..
4. Remove the skin from the mackerel fillet. Break the mackerel fillet into different sized pieces, some small flakes and some larger chunks..
5. Remove the outer leaves of the little gems, tear them roughly and put in a bowl to serve. For the salad dressing, juice the lemon and mix the 1-2 olive oil, season to your taste with salt and pepper..
6. Once the mixture in the pot has tickened and potatoes softened, combined with most of the mackerel in a oven proof dish, holding back a few pieces. Top with the remaining mackerel and grate the parmesan over the dish..
7. Cook the gratin in a oven for 10 minutes, or until piping hot throughout and golden brown on top..
8. Serve the creamy gratin with a side of salad..