Fish Mousse

Preparation:

Preparation: Heat 1 knob of butter in a saucepan; when it is melted, carefully mix 1 tablespoon of flour, 1 glass of milk and 1 pinch of salt; stir continuously with a wooden spoon and slowly bring to the boil. Remove the mixture from the heat when it is thick, let it cool to room temperature and put it in the glass of a blender; add 200 g of natural tuna, the filtered juice of 1 lemon, a few drops of Worcester sauce, a few chopped capers and blend until you obtain a creamy and tasty mixture. Leave the mixture to rest in the refrigerator for some time and then use it simply spread on slices of toasted bread.