Variations; Celery, horseradish sauce, pico de gallo, salsa, corn, sofrito, beer, diced tomatoes, tomato puree, crushed tomatoes, crushed pepper flakes, coriander seed, cilantro, scallions, chives, cayenne, jalapenos, shallots, habanero, bacon, oregano, marjoram, mint, oregano, parsley, lime, lemon, fennel, fennel seed, olives, blue cheese, feta, goat cheese, chili powder, serrano, ancho chile, chipotle, basil, mozzarella, almond, red onion, Vidalia onion, capers, pearl onion, asparagus, raw or roasted bell peppers, parmesean, leeks, spinach, sea salt, red wine vinegar, sherry, black beans