Cauliflower Gratin kalynskitchen.com Cauliflower Gratin uses sharp cheddar, mayo, sour cream, lemon juice, Dijon mustard, Parmesan Cheese, and black pepper. I love this extra-easy cauliflower for a side dish or a meatless main dish. submitted by KalynsKitchen cauliflower cauliflower gratin cauliflower side dish cheesy cauliflower keto cauliflower low-carb cauliflower meatless main dish Entry Permalink Report Post