Sour Citrus Pork Tacos with Caramelized Root Vegetables

Name: Sour Citrus Pork Tacos with Caramelized Root Vegetables
Ingredients: 4 Mission® Artisan® Corn & Whole Wheat Tortillas; 1 teaspoon canola oil; 12 ounces pork loin, cut into 2 1/2-inch chunks; Salt and black pepper as needed; 1/4 cup freshly squeezed orange juice; 2 tablespoons freshly squeezed lime juice; 2 tablespoons freshly squeezed lemon juice; 1/2 onion, cut into large chunks; 3 garlic cloves, crushed; 1/2 teaspoon dried Mexican oregano; 1/4 teaspoon ground cumin; 1/2 cup low-sodium chicken broth; 3 cups root vegetables (mixture of beets, parsnips, sweet potatoes, butternut squash, or celery root), diced; 1/2 cup red onion, thick julienne; 4 fresh thyme sprigs; Non-stick cooking spray, as needed