Ingredients

• 1 clove garlic
• 350 gr flank steak
• 120 ml catsup
• 30 ml worcestershire sauce
• 30 ml lemon juice
• 30 gr onion (minced)
• 16 ml cooking oil
• 7 ml prepared mustard
• 3 gr salt
• 2 gr lemon rind (grated)
• 1 gr black pepper
• 1 slice mushroom