Slow Cooker Cheesy Chicken Penne (Dump & Cook Dinner) - My Home Made Recipe

Ingredients

• 1 ½ lbs boneless skinless chicken breasts.
• 21 oz cream of chicken soup (two-10.5 oz cans, do not add water).
• ½ cup chicken broth.
• ¼ tsp pepper.
• ½ tsp dried leaf tarragon (can substitute oregano, thyme, or Italian seasoning).
• 1 ½ cups sliced mushrooms.
• 1 small sweet yellow onion, diced.
• 1 cup sour cream.
• 2 cups shredded cheddar cheese (divided).
• 1 lb penne pasta (cooked according to package directions on stove-top).