Preheat oven to 425.
In small bowl, mix together olive oil, garlic powder, chili powder, and buffalo sauce.
Place cauliflower in large bowl and cover with sauce mix. Stir well to coat all of the cauliflower.
Bake cauliflower for 25 min. Flipping after 12 minutes if necessary.
While cauliflower is cooking, prep toppings.
Assemble tacos! We stuffed them full of cauliflower, lettuce, and tomatoes. Then drizzled our vegan ranch on top.