Variations; Half and half, bechamel, parsely, lemon zest, horseradish, parmigiano reggiano, gruyere, oregano, rosemary, thyme, romano, other pasta noodles, cream cheese, shrimp, pork, egg, slivered or roasted garlic, roasted or raw bell peppers, jalapeƱos, habanero, bacon, pancetta, crushed pepper flakes, chives, almond milk, coconut milk, white wine, capers, peas, mushroom, Italian seasoning, herbes de provence, shallots,