Green pepper, cucumber and mushrooms are cooked first, cut into small pieces, add a little salt and mix well.
First spread the ketchup evenly on the surface of the slice of bread, then cut the slice of cheese into small pieces, first spread a part of it on the slice of bread, put the prepared material on the top, lay it, and put the remaining piece of cheese on the vegetables. Grain top
Open the pan with a minimum of fire, a little oil on the bottom, carefully put the slices of bread on top, with a minimum of fire, and sauté. Wait a minute and then open the lid, the cheese melts, and the slices of bread are browned.