Instructions

  1. Cook noodles according to package directions.
  2. Meanwhile, in a small bowl, combine the sour cream, mayonnaise and lemon juice; set aside.
  3. In a large saucepan or Dutch oven, melt butter.
  4. Stir in flour until blended.
  5. Gradually stir in milk.
  6. Bring to a boil; cook and stir for 2 minutes or until thickened.
  7. Reduce heat; stir in 1/3 cup Parmesan cheese until melted.
  8. Remove from the heat; stir in the sour cream mixture and hot sauce, if using.
  9. Add the spinach, stuffing mix, bread crumbs, mushrooms and tuna; mix well.
  10. Drain noodles and place in a 13"x9" baking dish coated with nonstick cooking spray.
  11. Top with tuna mixture; sprinkle with remaining Parmesan cheese.
  12. Cover and bake at 350° for 35 minutes.
  13. Uncover; bake 5-10 minutes longer or until lightly browned and heated through.