Middle Eastern Tabbouleh

Name: Middle Eastern Tabbouleh
Ingredients: 1 cup uncooked course bulgur wheat (equals 3 cups cooked); 4 firm Roma tomatoes, very finely chopped; 1 cucumber, very finely chopped (remove skin if you prefer); 4 sticks parsley, part of the stems removed, washed and well-dried, very finely chopped; 12 fresh mint leaves, stems removed, washed, well-dried, very finely chopped; 4 sticks spring onions, white and green parts, finely chopped; pinch salt; 3 tbsp lime juice (lemon juice, if you prefer); 3 tbsp extra virgin olive oil; handful romaine lettuce leaves to serve, optional; ½ red onion (optional)