Sig's White Fish with tasty Crust

Name: Sig's White Fish with tasty Crust
Yield: 4 servings
Cuisine: British
Ingredients: 1 large white onion; 4 white filet of skinless seafish (cod, halibut or such); 1 small pinch salt and ground pepper each; 45 grams softened butter; 3/4 teaspoon mustard with grains; 3/4 teaspoon hot mustard of choice; 45 grams grated edam, gouda or similar cheese; 30 grams breadcrumbs; 1 tablespoon mixed herbs, (parsley, chives, coriander); 2 hardboiled eggs, optional; 2 thinly sliced tomatoes, optional; 1 lettuce of choice, optional; 4 tablespoons garlic and herb mayonnaise for bread; 4 crusty bread rolls; 4 slices cheese of choice I like spicy Mexican but optional

Sigrun @sigrun

German, living in England

I remember eating crusty rolls with fish when I was at my nan's. We often use to cycle some 10 km across the Dutch/German border to get dutch cheese, bread and fresh fish.
So here I am trying to replicate a recipe from that time.
#mycookbook

Sigrun @sigrun

German, living in England

Saved

Ingredients

4 servings

1large white onion
4white filet of skinless seafish (cod, halibut or such)
1small pinch salt and ground pepper each
45 gramssoftened butter
3/4 teaspoonmustard with grains
3/4 teaspoonhot mustard of choice
45 gramsgrated edam, gouda or similar cheese
30 gramsbreadcrumbs
1 tablespoonmixed herbs, (parsley, chives, coriander)
For garnish
2hardboiled eggs, optional
2thinly sliced tomatoes, optional
1lettuce of choice, optional
4 tablespoonsgarlic and herb mayonnaise for bread
4crusty bread rolls
4 slicescheese of choice I like spicy Mexican but optional

Saved

Steps

1

Preheat oven to 180. Boil eggs until hard. Slice lettuce, eggs and tomatoes if using. Set aside. Chop the herbs and grate the cheese. Wash the fish, dap dry with a paper towel, cut into equal pieces. Chop the onions finely. Season the fish slightly with salt and pepper. Put sides onto plate. I added potato salad, spring onion coleslaw, boiled egg and tomato and shrimps.
2

Mix the butter with the onions, mustards, cheese, breadcrumbs, and mixed herbs, until it becomes a paste. Spread over the fish, put the fish into the preheated oven. Cook for about 20 to 30 minutes depending on thickness of fish. The crust should be golden and the fish just cooked, but not left raw.
3

Remove from oven, spread bread rolls with little garlic mayonnaise, add lettuce, add a slice of chosen cheese to rolls. Top with fish, tomatoes, slices of egg and onions. Serve with fried potatoes, chips, rice, other chosen sides, or enjoy on its own. Here I just added a slice of Mexican cheese, few slices of tomato and salat leaves.