Garlic Chicken Enchiladas with Green Onions and Black Beans

Name: Garlic Chicken Enchiladas with Green Onions and Black Beans
Ingredients: 2 tablespoons extra-virgin olive oil; 1 small yellow onion, chopped; 6 cloves garlic, minced; 2 stalks green onions, minced, plus more for serving; 1 jalapeño, seeded and chopped; 1 tablespoon chili powder; 1 teaspoon cumin; Pinch of crushed red pepper; 1 teaspoon smoked paprika; 1/2 teaspoon dried Mexican oregano; 1 teaspoon sugar; Kosher salt; Fresh ground black pepper; One 28-ounce can diced tomatoes; 1 pound boneless skinless chicken breast; One 15-ounce can black beans, rinsed; 8 eight-inch corn or flour tortillas; 4 ounces shredded sharp cheddar or Monterey jack cheese (about 1 cup)