Apple lentil grape and watercress salad recipe

Name: Apple, lentil, grape and watercress salad recipe
Ingredients: 100ml warm water; 100ml apple cider vinegar; 50g honey; 12 large red grapes, cut in half; 100g brown lentils; 1 granny smith apple, julienned using a mandoline; 2 spring onions, white and green parts, finely sliced; 2 handfuls watercress, picked; 1 handful mint leaves, torn; 1 handful flat-leaf parsley leaves; 2 tbsp extra-virgin olive oil; 3 tbsp apple cider vinegar; 1 tbsp Dijon mustard; salt flakes and freshly ground black pepper