Whole roasted cauliflower impresses as a vegan centerpiece or fills you up as a one-dish meal. If you haven’t tried grilled cauliflower, you’ll want to: It caramelizes beautifully on the outside and develops a chewy juiciness on the inside, making it the best meat alternative for live fire cooking. Cauliflower “steaks” — thick slabs that leave you with floret-dense rounded …