01 -
Add 21 oz of cream of chicken soup and ½ cup of chicken broth to the slow cooker. Stir until smooth.
02 -
Stir in ½ tsp dried leaf tarragon (or substitute seasoning), ¼ tsp pepper, 1 ½ cups sliced mushrooms, and 1 small diced sweet yellow onion. Place 1 ½ lbs boneless skinless chicken breasts in the slow cooker.
03 -
Cover the slow cooker and cook on LOW for 6 hours without opening the lid.
04 -
After the chicken has cooked for 6 hours, cook 1 lb penne pasta according to package directions until al dente. Do not overcook the pasta.
05 -
Shred the chicken breasts with two forks in the slow cooker.
06 -
Stir in 1 cup sour cream and half of the 2 cups shredded cheddar cheese into the slow cooker.
07 -
Add the cooked and drained penne pasta to the slow cooker and stir to combine. Sprinkle the remaining cheese over the top, cover, and cook on low for an additional 20 minutes.
08 -
Serve the cheesy chicken penne hot and enjoy!.