Combine all ingredients for miso marinade in bowl. Chop cauliflower into small pieces, then toss in marinade. Let sit for at least one hour. Roast at 450 degrees for 20 - 25 minutes.
Whip all ingredients together for whipped avocado together until very smooth.
Roast chickpeas at 450 degrees for one hour, tossing in olive oil and salt/pepper. Sprinkle on nutritional yeast after removing from oven
Heat tortillas. Add dollop of avocado. Top with cauliflower, chickpea, then radish. Add a dash of hot sauce and squeeze of lime if desired! Enjoy!