Set aside 12 mini tortillas. In true street taco fashion, you will be doubling up, using one as a holder - so this makes 6 mini street tacos.
Line a pan with 1/4 vegetable broth to keep the vegetables from sticking. Add more if necessary.
Add 1 cup riced cauliflower to the pan along with 1-2 teaspoons taco seasoning and 2 teaspoons ketchup. Cook until vegetables have softened.
Put it all together, adding toppings as desired.
You can store the vegetable mixture in an airtight container in the fridge for 5 days. If this is for a school lunch box, hold off on putting it together till either the night before - or better yet, morning of.