Asian Beef without bone sauce garlic yogurt

8 ounces boneless beef sirloin 2 tablespoons soy sauce 8 cups beef stock 2 slices fresh ginger (thin slices) 1 garlic clove , minced 2 cups rice vermicelli,[...]

2 tablespoons olive oil 1 1/2 lbs lean round steak , cut into 1-inch cubes 3 cups beef broth 1 small head cauliflower , separated into florets 1 green pepper[...]