1 kg of fresh tuna, cut into slices
2 cups of boiling water
1/4 cup of lemon juice
1 small onion, thinly sliced
1 tablespoon of salt
3 teaspoons of black pepper or peppercorns to taste
2 stalks of parsley
1 sprig of bay leaf
For the sauce:
1/4 cup of butter or margarine
2 tablespoons of wheat flour
1 tablespoon of mustard paste
salt and black pepper to taste
1 1/4 cups of milk
2 hard-boiled eggs, diced
1 tablespoon of chopped parsley
1 kg of fresh tuna, cut into slices
2 cups of boiling water
1/4 cup of lemon juice
1 small onion, thinly sliced
1 tablespoon of salt
3 teaspoons of black pepper or peppercorns to taste
2 stalks of parsley
1 sprig of bay leaf
For the sauce:
1/4 cup of butter or margarine
2 tablespoons of wheat flour
1 tablespoon of mustard paste
salt and black pepper to taste
1 1/4 cups of milk
2 hard-boiled eggs, diced
1 tablespoon of chopped parsley
Wash and dry the fish
Place it in a well-greased skillet
Add the remaining ingredients, cover, and let cook slowly for 5 to 10 minutes, or until the fish is cooked
Carefully remove the fish pieces with a slotted spoon and place them on a serving dish
Prepare the sauce: melt the butter, add the flour and seasonings, and stir well
Add the milk gradually, stirring well
Cook while stirring until it thickens and becomes smooth
Add the eggs and parsley, and heat through
Serve over the tuna or separately
Serves 4.