Make puree.
Heat the fat and brown the meat. Fry the diced onions.
Peel tomatoes, cut into eighths and add.
Drain the beans and add.
Season to taste, pour into a gratin dish and cover with puree.
Sprinkle with grated cheese and bake at 200 °C for 20 minutes.
Our tip: There are many different types of beans – try a new one!