These grilled cauliflower steaks with avocado-cilantro sauce are a delicious and healthy vegetarian option. The cauliflower steaks are seasoned with a flavorful spice blend and grilled to perfection, resulting in a smoky and tender texture. The creamy avocado-cilantro sauce adds a refreshing and tangy element to the dish. Serve these cauliflower steaks as a main course or as a side dish for a barbecue or summer gathering.