Preheat oven to 425°F. Line a baking sheet with foil. Place whole chiles on prepared baking sheet. Lightly coat peppers with cooking spray. Roast about 15 minutes or until peppers are charred. Place peppers in a very large bowl; cover with foil. Let stand about 20 minutes or until cool enough to handle.
Meanwhile, reduce oven temperature to 400°F. For filling, in a medium saucepan heat oil over medium-high. Add corn; cook and stir 2 minutes. Add chili powder; cook and stir 1 minute. Add broth. Bring to boiling; reduce heat. Simmer, uncovered, 3 minutes. Remove from heat; cool 10 minutes. Stir in chicken, cheese, egg, salt, and black pepper.
Coat a 3-qt. rectangular baking dish with cooking spray. Reserve 1/4 cup Cilantro Cream sauce for serving, and pour the rest into the prepared baking dish. Use a small knife to scrape the charred skins off peppers. Cut a slit down one side of each chile pepper; open each pepper. If desired, remove stems and seeds from chile peppers. Spoon 1/4 cup of the filling onto each chile pepper. Fold up peppers around filling. Arrange peppers, filling sides up, in prepared baking dish.
Bake, uncovered, about 20 minutes or until filling is heated through (160°F). Let stand 10 minutes before serving.
Serve peppers with reserved Cilantro Cream Sauce and, if desired, top with cilantro.
If Hatch chile peppers are not available, use Anaheim chile peppers, which are similar in size and shape.
(17 g saturated fat,
2 g polyunsaturated fat,
10 g monounsaturated fat),
140 mg cholesterol,
651 mg sodium,
20 g carbohydrates,
2 g fiber,
9 g sugar,
24 g protein.
Cilantro Cream Sauce
In a small saucepan melt butter over medium heat. Add minced garlic; cook for 2 minutes, stirring occasionally. Stir in all-purpose flour until smooth. Add half-and-half. Cook and stir until thickened and bubbly. Cook and stir for 1 minute more. Stir in chopped fresh cilantro and salt and pepper to taste. Makes 1 1/3 cups.