For those who like it more satisfying.
Salt the minced meat, pepper, form a steak with a thickness of at least 1.5 cm. Fry in a pan until tender for 2-3 minutes. from each side.
Put cheese on top of bread and fry bread side down until cheese is melted. Fry the egg with "fried eggs".
Form a sandwich: put a steak on bread with cheese, egg on top. Garnish with torn lettuce leaves and cherry tomatoes.