Instructions

  1. Preheat oven to 350 degrees.
  2. Cook pasta according to package directions, drain.
  3. Melt the butter in a large skillet, add chicken and onion, and cook until chicken is done, about 7-9 minutes.
  4. Stir in breadcrumbs, and remove from heat.
  5. In a bowl, combine egg, ricotta, half the mozzarella and half the cheddar, spices, salt and pepper.
  6. Add the chicken mixture.
  7. Fill shells and place in a 11x7 inch pan.
  8. Combine tomato sauce, mushrooms, mozzarella and cheddar; pour mixture over shells.
  9. Sprinkle with parmesan if using.
  10. I like to sprinkle with more mozzarella as well.
  11. Cover and bake for 45 minutes to 1 hour.