Method:
1 Bring a frying pan of water with a dash of white vinegar to the boil then reduce to a simmer, poach the chicken for 6-8 minutes or until cooked, drain and cut into strips. Drizzle with olive oil.
2 Combine the mayonnaise, sour cream, garlic, horseradish, anchovies, Worcestershire sauce and lime juice in a bowl, season with salt and pepper.
3 Arrange the cos in a bowl, top with the chicken and char-grilled capsicum, drizzle over the dressing and serve with lemon wedges.