Variations; Butter, olive oil, vegetable oil, chicken stock, spinach, garlic, habanero, jalapeƱo, arugula, tamarind, salsa, ghee, roasted bell peppers, bacon, oregano, Mexican oregano, coriander seed, cayenne, crushed pepper flakes, yellow onion, squash, zucchini, scallions, chives, cumin, thyme, tequila, beer, poblano, celery, ancho, carrots, white pepper, sage, sweet potatoes, paprika, smoked paprika, vinegar, avocado, cotija, lime, mojo crillo, nopalitos, green beans, yellow or orange bell pepper, grape or cherry tomatoes, orange zest, fennel seed