20 slices of white bread without crust, 1.5 cups milk (375 ml) for soaking bread, 150 g smoked salmon, thinly sliced ​​100 g sliced ​​mushrooms, 1/2 cup cream (125 ml), 50 g grated cheese, 3 eggs, salt and black pepper to taste, white pepper to taste, 20 g diced chilled butter, butter for greasing the pan

Heat oven to medium temperature. Put the bread in a flat dish and pour over the milk. Let stand 5 minutes. Gently squeeze each slice. Do not pour out the milk, it will come in handy later. Lightly grease a baking sheet and place 10 slices of bread on it. Put a layer of salmon on the bread, sprinkle with mushrooms and cover with a second layer of squeezed bread. In a large bowl, beat the eggs together with the remaining milk, cream, grated cheese, add salt, black, white pepper and pour the resulting mixture onto a casserole in a baking sheet. Place butter cubes on top. Bake for 40-45 minutes until the casserole is browned.