Chicken fillet cut into small pieces, salt, pepper, fry in vegetable oil with onions until tender.
Add ketchup (tomato sauce) to taste, heat a few minutes in a frying pan on low heat.
Slices of toast bread to dry in a frying pan on both sides with the addition of a small amount of vegetable oil.
If cutting fillet is large, the cooled pieces of meat to disassemble the plug on the fiber. Put the chopped chicken fillet with ketchup on a slice of toast. Put a layer of grated hard cheese on top. From above cover with a slice of bread, in which proactively on center cut a glass hole. Pour the yolk into the cut hole. Cover with a slice of bread from above.
Wrap the sandwich with strips of bacon on all sides, cover with ketchup (this will give the bacon a beautiful color). Bake under grill until Golden brown.