Best Chicken Tostadas Recipe - How To Make Chicken Tostadas

Ingredients

• 5 tbsp. neutral oil, divided
• 1 large white onion, one-half finely chopped, one-half thinly sliced
• 1 tsp. ground cumin
• 3 tsp. kosher salt, divided
• 1 tsp. freshly ground black pepper, divided
• 2 (15.5-oz.) cans black beans, rinsed and drained
• 2 c. low-sodium chicken broth, divided
• 2 tbsp. fresh lime juice
• 4 cloves garlic, finely chopped
• 1 jalapeño, finely chopped (optional)
• 1 (4-oz.) can diced green chile peppers
• 4 c. shredded rotisserie chicken
• 1/2 c. chopped cilantro leaves, plus more for serving
• 8 store-bought tostadas (deep-fried flat corn tortillas)
• 3 c. shredded romaine
• 1 avocado, sliced
• 1 c. crumbled queso fresco or cotija cheese
• Lime wedges, for serving