2 teaspoons plus 1 tablespoon olive oil 1 yellow onion, diced 1 pound ground chicken (
preferably 2/3
white meat plus 1/3 dark
meat) 4 ounces Cabot Hot Buffalo Wing Cheddar, grated (about 1 cup) 2 red Fresno chiles, finely chopped 1/4 cup chopped fresh cilantro 1 tablespoon Cholula Hot Sauce, or more to taste 1/2 teaspoon salt 1/4 teaspoon ground black pepper Whole grain buns, fresh spinach leaves and sliced cucumbers