Potage from Meat

Name: Potage from Meat
Ingredients: 2 1/3 pound beef stew meat; 4 cups water; Rich juice: 31 ounces (3 cans) concentrated beef broth; 1 1/2 cups dry bread crumbs; 3/4 teaspoon freshly ground black pepper; 8 threads saffron; 5 eggs; 1 1/2 cups grated Parmesan or Romano; 3/8 cup chopped parsley; 3/4 teaspoon dried or 1 teaspoon fresh marjoram; 1 1/2 tablespoons chopped fresh mint; 3 tablespoons wine vinegar; Salt