Heat oven to 350 degrees. Line baking pan with parchment paper. Spread butternut squash on pan in one layer. Drizzle with olive oil, stir around to coat squash evenly. Cut top from one garlic bulb and add to pan with squash. Sprinkle chili powder and cumin over everything and bake for 20-25 mins. until squash is tender.
While squash is baking heat large saucepan over medium heat and add 1 tbsp olive oil olive and cook until onion is translucent. Add Chorizo to pan and cook for 6-8 mins crumbling chorizo as it cooks. Add chicken stock ,rice, chilies and fresh corn. Cook until rice is done and liquid is reduced. 15-20 mins. Stir in roasted garlic.
Heat tortillas in oven wrapped in foil or over a single stove top burner.
Layer each tortilla with chorizo mix, butternut squash, juice from 1 lime wedge, a sprinkle of cheese, and fresh parsley.