Beef Stir

• 20 snow peas (fresh)
• 8 spears water-packed baby
• 2 garlic pressed (cloves)
• 2 stalks of broccoli
• 1 scallion both (white)
• 450 gr good-quality sirloin tips
• 120 ml beef broth
• 16 ml dry sherry
• 16 ml oyster sauce
• 8 gr cornstarch