Variations; Roasted bell peppers, jalapeños, scallions, chives, cayenne, yellow onion, shallots, arugula, asparagus, avocado, poblano, ancho chile, basil, capers, butter, heavy cream, sour cream, cumin, chervil, dill, eggplant, fennel, kale, leeks, marjoram, mushrooms, oregano, parsley, zucchini, sofrito, paprika, potatoes, savory, spinach, sweet potatoes, tarragon, thyme, tomatoes, watercress, asiago, cheddar, cream cheese, feta, gruyere, parmigiano reggiano, havarti, monterey jack, havarti,