Ginger Beef and Onion Stir Fry Recipe

Bahan-bahan (4 porsi)

• 2 tbsp soy sauce (see note)
• 2 tbsp fresh lemon juice or rice vinegar
• 2 tbsp sugar
• 1 lb flank steak (sliced)
• 2 inches ginger (peeled and sliced)
• 1 small onion (peeled and sliced)
• 2 tsp cornstarch