Shoko's Sesame Chicken Salad

INGREDIENTS

• 4 cups (1 liter) water
• 4 slices of ginger, 1⁄4 in (6mm) thick
• 1 medium onion, sliced
• 3 boneless chicken breasts(1 lb/500g)
• 4-5 mini cucumbers or 1 English cucumber, unpeeled (or 1 Kirby cucumber, peeled and deseeded)
• 2 large tomatoes, cut into eighths
• 6 green onions (scallions), finely chopped
• 1⁄4 cup (65 ml) sesame oil
• Salt and fresh ground pepper, to taste
• Vinaigrette
• 1⁄4 cup (65 ml) light soy sauce
• 1 tablespoon lemon juice
• 1 tablespoon rice vinegar
• 2 teaspoons sugar
• 1 teaspoon whole pepper- corns, lightly crushed