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Chicken Poblano Casserole

Yield 12 servings

Ingredients

  • 3 poblano chiles (about 12 ounces)
  • 1 large red bell pepper (about 8 ounces)
  • 3 ears shucked corn
  • 1/3 cup all-purpose flour (about 1 1/2 ounces)
  • 1 teaspoon salt, divided
  • 1/4 teaspoon freshly ground black pepper
  • 3 1/2 cups 1% low-fat milk
  • 3 cups (12 ounces) preshredded reduced-fat 4-cheese Mexican blend cheese, divided
  • 1/3 cup chopped red onion
  • 1/3 cup chopped fresh cilantro
  • 2 large eggs, lightly beaten
  • 1 (15-ounce) carton part-skim ricotta cheese
  • Cooking spray
  • 18 (6-inch) white corn tortillas
  • 3 3/4 cups chopped cooked chicken breast
  • 1 cup thinly sliced green onions, divided

How to Make It

  1. Preheat broiler.

  2. Cut poblanos and bell pepper in half lengthwise; discard seeds and membranes. Place poblanos and bell pepper, skin sides up, on a foil-lined baking sheet; flatten with hand. Place corn on baking sheet. Broil 10 minutes or until poblanos and bell pepper are blackened and corn is lightly browned. Place poblanos and bell pepper in a zip-top plastic bag; seal. Let stand 10 minutes. Peel and coarsely chop; set poblanos and bell pepper aside separately. Remove corn kernels from cobs.

  3. Lightly spoon flour into a dry measuring cup; level with a knife. Place flour, 1/2 teaspoon salt, and black pepper in a large saucepan. Gradually add milk, stirring with a whisk. Cook over medium heat until slightly thick (about 12 minutes), stirring constantly. Remove from heat. Combine 1 cup milk mixture and poblanos in a blender; process until smooth. Stir pureed poblano mixture into remaining milk mixture.

  4. Preheat oven to 350°.

  5. Combine bell pepper, corn, remaining 1/2 teaspoon salt, 1 cup Mexican cheese, red onion, cilantro, eggs, and ricotta.

  6. Coat bottom of a 13 x 9-inch baking dish with cooking spray. Spread 1/2 cup sauce in bottom of dish. Arrange 6 tortillas over sauce, overlapping slightly. Spread half of ricotta mixture over tortillas; top with half of chicken. Sprinkle with 1/3 cup green onions and 2/3 cup Mexican cheese. Pour about 1 cup sauce over cheese. Repeat layers with 6 tortillas, remaining ricotta mixture, remaining chicken, 1/3 cup green onions, 2/3 cup Mexican cheese, 1 cup sauce, and 6 tortillas. Pour remaining sauce over tortillas. Coat 1 side of foil with cooking spray. Place foil, coated side down, over casserole. Bake at 350° for 30 minutes or until bubbly.

  7. Uncover; sprinkle with remaining 2/3 cup Mexican cheese and 1/3 cup green onions. Bake, uncovered, 15 minutes or until cheese melts. Let stand 15 minutes.