Make Chicken and pasta salad

Ingredients
570ml/1 pint chicken stock
2 chicken breasts
100g/3½oz pasta bows cooked and cooled
100g/3½oz canned or frozen sweetcorn
18 small cherry tomatoes, cut in half
2 spring onions, sliced finely
½ baby gem lettuce, shredded

For the dressing:
3 tbsp olive oil
1 tbsp white wine vinegar
½ tsp dijon mustard (optional)
½ tsp sugar
salt and freshly ground black pepper
1 tbsp chicken stock from the poaching liquid

Method
1. Poach the chicken for about 10 minutes in the stock, then leave to cool completely.
2. Remove the chicken with a slotted spoon and cut into bite-sized pieces (this can be prepared the night before).
3. To make the dressing, whisk together all of the ingredients (or use a hand blender).
4. Combine all the ingredients for the salad and toss in the dressing.