creamy mushroom chicken and asparagus bake

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Creamy Mushroom Chicken & Asparagus Bake

This comforting weeknight casserole recipe features plenty of mushrooms and asparagus combined with chicken and brown rice and a creamy Parmesan cheese sauce. Whip this up anytime you have leftover chicken or cooked brown rice to spare.

Ingredients

  • 1 ½ tablespoons extra-virgin olive oil, plus 1 1/2 teaspoons, divided
  • 2 (8 ounce) packages sliced fresh button mushrooms
  • 1 cup chopped yellow onion
  • 3 tablespoons all-purpose flour
  • 2 ½ cups whole milk
  • 2 teaspoons chopped fresh tarragon
  • ½ teaspoon salt
  • ½ cup finely grated parmesan cheese, divided
  • 1 pound fresh asparagus, trimmed and cut into 1 inch pieces
  • 1 (8.8 ounce) pouch precooked microwaveable whole-grain brown rice or 1 1/2 cups cooked brown rice
  • 2 cups chopped cooked chicken breast
  • ¼ cup whole-wheat panko breadcrumbs

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