Variations; Parsley, roasted bell peppers or garlic, crushed pepper flakes, chives, sage, white wine vinegar, caramelized onions or shallots, zucchini, squash, scallions, herbes de provence, tarragon, dill, red wine vinegar, champagne vinegar, balsamic, bacon, pancetta, prosciutto, oregano, apple, apricot, asparagus, parmesean, sour cream, cheddar, goat cheese, eggplant, pesto, horseradish, grapes, lavender, leeks, lime, dijon, marjoram, mint, orange, olives, pine nuts, pumpkin, sage, savory,