Ingredients

• 1 beef bouillon cube
• 400 gr flank steak
• 300 gr celery
• 240 ml water chestnuts
• 180 ml boiling water
• 75 ml soy sauce
• 45 ml oil
• 45 ml salad oil
• 3 gr ginger (ground)
• 1 gr black pepper (ground)
• 2 slices onions