Variations; Crushed pineapple, crushed pepper flakes, habanero, poblano, ancho chile, celery, celery seed, bacon, pancetta, red/yellow bell pepper, roasted bell peppers or garlic, tomatoes, jalapeño, yellow onion, shallots, sweet potatoes, potatoes, puree celery root, plantains, sofrito, beer, tequila, bourbon, rum, brandy, sherry, white wine vinegar, lemon, lime, orange, parsley, basil, oregano, zucchini, yellow squash, scallions, chives, leeks, kale, spinach, arugula, corn, cayenne, cilantro,