Vegan Barbacoa Fajitas

Ingredients (for 4 servings)

• 1 cup — Onions
• ⅓ cup — lime juice
• ⅛ tsp — sea salt
• ½ cup — vegetable broth
• 3 tbsp — cider vinegar
• 1 tbsp — tomato paste
• 2 tsp — chipotle pepper in adobo sauce
• 2 clove — Garlic
• 1 tsp — cornstarch
• 1 tsp — Cumin
• ½ tsp — Oregano
• 4 whole — portobello mushrooms
• 1 whole — Bell Peppers
• 1 whole — Bell Peppers
• 12 whole — corn tortillas
• 1 whole — lettuce