In a small bowl, whisk together 1 can (10.5 oz) cream of mushroom soup, 1 packet onion soup mix, 1½ cups chicken broth, ½ teaspoon dried thyme, and ½ teaspoon black pepper.
Place 4 boneless skinless chicken breasts in the bottom of a crock pot.
Pour the sauce over the chicken and top with 8 oz sliced mushrooms.
Cover and cook on low for 6–8 hours or on high for 3–4 hours.
Remove the chicken and shred into large pieces.
In a small bowl, mix 1 tablespoon cornstarch with 2 tablespoons cold water. Stir into the crock pot.
Return the chicken to the crock pot and stir.
Cover and cook on low for 20–30 minutes until the sauce thickens.
Serve warm and enjoy!
Video
Notes
Refrigerate the leftovers in an airtight container for up to 5-6 days. You can easily make this recipe with boneless, skinless chicken thighs as well.