Caesar salad is a firm favourite for many and lends itself very well to duck   Serves 2 as a main or 4 as a starter Ingredients 2 Gressingham duck breasts 3 to 4 gem lettuce 2 slices sourdough( roughly torn 3cm pieces ) 30g shaved Parmesan Dressing 100 ml light olive oil 30g finely grated Parmesan 2 cloves garlic, peeled and finely chopped 4 tbsp mayonnaise Juice…