Portobello Mushroom Burgers With

• 6 romaine lettuce leaves
• 6 tomato
• 5 diameter portobello mushrooms
• 5 stems
• 4 diameter hamburger (whole grain)
• 350 gr mesquite wood chips soaked in (cold)
• 240 ml mayonnaise
• 80 ml olive oil
• 30 ml dijon mustard
• 12 gr shopped basil (fresh)