What you need:
2 lbs chicken breast halves
1 cup chopped onion
2 -10.75 ounce cans cream of chicken soup
1/3 cup water
12 ounces egg noodles
8 ounce sour cream
1) Cut chicken into one inch pieces. Combine chicken and onions. Stir soup and water then pour over chicken and onion.
2) Cover and cook on low 6-7 hours or 3-3.5 on high.