Ingredients: * 3 tablespoons plus 1/2 cup oil, divided * 1 tablespoon flour * 1/4 cup New Mexican chili powder * 16 ounces chicken stock * 10 ounces tomato puree * 1 teaspoon dried oregano * 1/2 teaspoon ground cumin * Salt * 3 cups grated cheddar cheese * 2 cups cooked and shredded chicken [...]