Ingredients

• 1 medium romaine lettuce
• 1 red onion, sliced into half rings
• 3 cold baked potatoes or 400 g cold cooked pasta
• 300 g raw button mushrooms, sliced
• 2 ripe tomatoes, , cut into wedges
• 1 large avocado
• 250 g canned tuna, broken into bite sized pieces
• 35 ml balsamic vinegar
• lemon, juice of
• 25 ml olive oil
• 1 clove crushed garlic
• 1 teaspoon parsley
• 1 teaspoon basil
• 1 teaspoon rosemary (dried is ok)