Cinco de Mayo Party Food Chicken Tinga Tostada Fiesta

Ingredients

• 1.5 lbs (680g) boneless, skinless chicken thighs
• 1 tablespoon (15ml) olive oil
• 1 medium yellow onion, chopped (approx. 1 cup/150g)
• 2 cloves garlic, minced (approx. 1 teaspoon/5g)
• 1 (28 ounce/794g) can crushed tomatoes
• 2 chipotle peppers in adobo sauce, chopped, plus 1 tablespoon (15ml) adobo sauce
• 1 teaspoon (5ml) dried oregano
• ½ teaspoon (2.5ml) ground cumin
• ½ cup (120ml) chicken broth
• Salt and black pepper to taste
• 1/2 teaspoon (2.5 ml) sugar
• 8-10 corn tortillas
• Vegetable oil, for frying (or baking spray for baking)
• 1 ripe avocado, mashed or sliced
• ½ cup (50g) crumbled Cotija cheese (or queso fresco)
• ¼ cup (30g) finely chopped cilantro
• Lime wedges, for serving
• Mexican Crema or Sour Cream (optional)
• Pickled red onions (optional)