Pearl Barley Salad with Onion & Walnuts Recipe

Name: Pearl Barley Salad with Onion & Walnuts Recipe
Yield: 4
Ingredients: 1/2 red onion, thinly sliced; 100ml Maggie Beer Verjuice; 1 cup (200g) pearl barley; 1/3 cup flat leaf parsley, roughly chopped; 1/3 cup dill, roughly chopped; 1/2 cup (75g) sunflower seeds; 1/3 cup (50g) walnuts, roughly chopped; Sea salt and freshly cracked black pepper, to season; Nasturtium leaves, to serve, optional