1 lemon, juice only (or 2 tsp apple cider vinegar), finely grated zest optional
salt and freshly ground black pepper
100g/3陆oz unsalted cashews
1 tbsp vegan milk alternative, such as cashew or soya
1 tbsp roughly chopped fresh herbs, such as chives, basil, coriander and dill
2 tsp nutritional yeast