50-80g butter for cooking
1 egg
1 egg yolk
1 clove garlic, minced
1 Tbs lemon juice
2 tablespoons olive oil
1 small onion, chopped
2 Tbs parsley, chopped
1/2 teaspoon pepper
1 small red pepper, finely chopped or 1-2 Tbs crushed dry pepperoncini
1 ½ tsp sea salt
4 cups water
A 1 tablespoon white wine
1 tsp Worcestershire sauce
400g Alaska pollack or other white fish fillets (fresh or thawed)
Mash (puree) from 4 small or 2 large potatoes