Beef Barbacoa Tacos

Ingredients

• 24 Frescados White Corn Tortillas
• 2 lb stewing beef, patted dry
• 1 tsp salt
• 2 tbsp canola oil
• 1 white onion, chopped
• 6 cloves garlic, chopped
• 1 tbsp dried oregano
• 1 tbsp ground cumin
• 2 tsp ground coriander
• 2 tsp chili powder
• 1/4 tsp freshly ground pepper
• 1/3 cup apple cider vinegar
• 2 cups chopped plum tomatoes
• 1 cup beef broth
• 1 chipotle pepper in adobo sauce, chopped
• 2 avocados, sliced
• 1/2 red onion, finely chopped
• 1/4 cup finely chopped fresh cilantro
• 1/4 cup sour cream (optional)