Chicken sandwich
Mix butter with mustard, spread slices of bread. Put the chicken fillet on the bread, cut into thin slices, then thin circles of tomato, lightly grease with mayonnaise and sprinkle with grated cheese. Bake in the oven until the cheese melts.
butter - 50 g, mustard - 25 g, chicken meat - 100 g, or chicken meat - 100 g, black pepper to taste, tomatoes - 2 pcs., cheese - 1 cup