Variations; Fennel seed, celery seed, lemongrass, garlic, shallots, habanero, bacon, pancetta, chives, cayenne, crushed pepper flakes, parsely, basil, asparagus, broccoli, capers, celery root, chervil, fines herbes, cream, dill, lemon, parsley, paprika, mushrooms, creme fraiche, leeks, thyme, marjoram, herbes de provence, leeks, peas, pink or green pepper, spinach, zucchini, walnut, sherry, tomatoes, green beans, white or red or champagne vinegar