Mix together the dressing ingredients along with one tablespoon water until fully combined then set aside

Blanch the green beans in a large saucepan of boiling water then plunge into iced water, drain, sliced lengthways and set aside

In the same saucepan, poach the chicken breasts until cooked through, remove and allow to cool

Heat an oven grill to high, lay out the slices of baguette on a baking tray and sprinkle over parmesan. Grill until melted and golden

To serve, slice the chicken. Arrange on serving plates with cos leaves, beans, red onion, quarters of hard boiled egg and cheesy baguette slices. Drizzle with dressing