Here is another favorite:

Crock pot salsa chicken

4 boneless, skinless chicken breasts
1 cup salsa
1 package taco seasoning
1 can cream of mushroom soup or cream of chicken soup (condensed)
1/2 cup sour cream


Directions
Add chicken to slow cooker.
Sprinkle taco seasoning over chicken.
Pour salsa and soup over chicken.
Cook on low for 6 to 8 hours.
Remove from heat and stir in sour cream.
Serve with rice.