All you need to do is place contents in the slow cooker and wait for results! No extra cooking needed.
4 boneless chicken breasts
1 onion sliced
3 carrots peeled and cut into 2 inch pieces
10 3/4 oz can of cream of chicken soup
1 cup shredded cheddar cheese
1 cup chicken broth
16 oz. frozen peas
Place chicken, onion, and carrots in slow cooker. Mix up remaining ingredients except cheese. Pour over top. Cook on low for 6 hours. Top with peas then cheese and continue to cook 1 hour. Serve immediately.