Beef Enchiladas with Sharp Cheddar Cheese

Name: Beef Enchiladas with Sharp Cheddar Cheese
Ingredients: 2 tablespoons extra-virgin olive oil; 2 small yellow onions, divided and chopped; 2 cloves garlic, minced; 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; 2 pounds ground beef; 8 ounces shredded sharp cheddar cheese (about 2 cups); 2 stalks green onions, minced, plus more for serving; 8 eight-inch corn or flour tortillas