avocados — halved, pitted and peeled • lemon juice • large (8 ounces) cucumber, 3/4 finely chopped and 1/4 fine • dairy-free yogurt • chopped dill • chopped mint • lemon zest • garlic cloves, finely grated • serrano chile — stemmed, seeded and minced • Salt and freshly ground black pepper, • Raw vegetables and pita chips, for serving