White Chicken Chili

1 lb chicken breast, chopped
1 med onion chopped
2-3 red or  1 sweet potato cut into 1/2 inch pieces
1/2 c carrots chopped
1 tsp garlic powder
1 T oil
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2 cans great northern beans, rinsed and drained
1 can chicken broth
2 cans diced green chiles
1 tsp salt
1/2 tsp cumin
1/4 tsp pepper
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1 c sour cream
1/2 c whipping cream

Saute first section.  Add section (starting with beans).  Bring to light boil and cook till potatoes are soft, about 30 minutes.  Before serving add sour cream and whipping cream.

Delicious.