3 basic boiled beef stock Recipes

peanut oil, beef chuck roast, onion; peeled and quartered, celery stalks; cut in pieces, carrot; cut in pieces, garlic cloves; peeled, crushed, salt, whole black peppercorns, dried bay leaves, water; to cover roast

prime quality beef, cut into paper thin slices, about 8 by 3-inches, shiitake mushrooms , wiped, trimmed and crisscrossed on cap with a knife, green onions, sliced diagonally into 2-inch lengths, spinach, washed and stems trimmed, tofu , about 10oz, cut into cubes, canned bamboo shoots, whole, washed , cut into 1/4-inch slices, basic dashi , recipe follows, or light beef stock, cold water, giant kelp, ( kombu ), dried bonito flakes, basic dashi, dark soy sauce, mirin, white vinegar to taste, combine the dashi , soy sauce, and mirin in a saucepan and bring to a boil. let boil for a few minutes to reduce by 1/3, then remove from heat and cool. stir in vinegar to taste. pour sauce into individual cups.