Beef with sprigs

4 cups beef stock 1 cup crushed tomatoes 2 tablespoons flour 1 cup dry red wine 3 sprigs fresh thyme 12 ounces beef tenderloin , sliced 1/4-inch thick coarse[...]

2 tablespoons olive oil 1 1/2 lbs lean stewing beef, cut into 1 inch cubes 1 medium onion , peeled and finely chopped 1 clove garlic , peeled and minced 1/2[...]