Slaw: Combine all of the Slaw ingredients in a non-metal bowl and set aside. Stir every once in a while.
Bake Filling: Preheat oven to 400 degrees F (204 C). Toss together all Cauliflower Filling ingredients. Lay on a parchment-lined baking sheet and bake for 30 minutes, or until slightly browned and crisp.
Sauce: Meanwhile, combine all Sauce ingredients in a food processor until smooth.
Assemble: Spoon filling evenly onto 8 tortillas. Top with a heaping spoonful of slaw and avocado sauce. Serve immediately or store separately until ready to eat.