Lemon Beef Oriental

• 450 gr sirloin butt steak
• 375 gr snow peas (fresh)
• 160 ml beef broth
• 60 ml lemon juice (fresh)
• 45 gr freash mushrooms (sliced)
• 45 ml vegetable oil
• 8 gr cornstarch
• 4 gr lemon peel (grated)
• 3 gr salt
• 1 gr ginger (ground)