Stuffed Poblano Peppers

Name: Stuffed Poblano Peppers
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Cuisine: Mexican
Ingredients: Olive oil spray; 4 poblano peppers; 1 tablespoon olive oil; 2 tomatoes (medium, diced; 10 ounces); 1/2 onion (medium, diced; 4 ounces); 1 tablespoon fresh garlic (minced); 1 teaspoon Diamond Crystal kosher salt; 1 teaspoon dried oregano; 1 teaspoon ground cumin; 2 cups cooked chicken breast (shredded; 10 ounces); 1 cup part-skim mozzarella (shredded; 4 ounces); 1/2 cup cilantro (chopped); 1/2 cup sharp cheddar (shredded; 2 ounces)