Beef and Broccoli Sauté

• 20 oz filet mignon, trimmed, cut into pieces (¼ in.)
  或 20 oz sirloin steaks, trimmed, cut into pieces (¼ in.)

Sauce

• 3 oz sherry vinegar, Xiao Xing
• 2 oz oyster sauce
• 1 oz soy sauce
• 1 oz black bean garlic sauce
• 1 tsp sugar
• 1 tsp cornstarch

Sauté

• 1 ½ oz vegetable oil, divided
• 3 garlic cloves
• ½ oz fresh ginger, peeled
• 8 oz broccoli florets
• 4 oz onions, cut into pieces (1 in.)
• steamed rice, to serve (see Tip)