Green Chili Queso Dip Recipe

Name: Green Chili Queso Dip Recipe
Ingredients: 2 large poblano chilies; 1/2 pound white American cheese, cut into 1/2-inch cubes; 1/2 pound Monterey Jack cheese, cut into 1/2-inch cubes; 2 teaspoons cornstarch; 1 tablespoon olive or vegetable oil; 1 teaspoon minced fresh garlic, about 1 medium clove; 1/2 teaspoon ground cumin; 1/4 teaspoon chipotle chili powder; 1/4 teaspoon cayenne pepper; 5 ounces evaporated milk; 3 tablespoons finely chopped fresh cilantro; 2 tablespoons finely chopped scallions; Kosher salt, to taste