Have you ever stopped to ask what the difference is between a taco and a fajita? I was considering what to call this recipe "Veggie Fajitas" or "Veggie Tacos" and decided it was time to get schooled.
Preheat oven to 400°F. Line two baking trays with parchment paper. Place all the vegetables in a single layer on the baking trays. Drizzle with oil. Sprinkle with oregano, chili powder, cumin and salt and pepper. Place trays in the oven and roast until vegetables start to turn golden brown and are tender when pierced with a fork. Remove from oven and place each type of vegetable in a separate bowl. Serve with tortillas and let everyone make their own.