Santa Fe Chicken and White Bean Soup

2 tbsp vegatable oil
1 med onion, chopped
4 oz chopped green chilies
3 tbsp lime juice
1/2 tsp cayenne pepper
2 1/2 cups chicken broth
2- 15 oz cans great northern beans
1 tsp garlic powder
1 tsp ground coriander
1/2 tsp salt
2 tsp ground cumin
1 tsp ground oregano
2 tbsp corn starch
1 1/2 cups chicken, cooked and chopped

Put oil in a stock pot and saute onions until tender. Stir in remaining ingredients. Bring to a boil, reduce heat to low and simmer 15-20 minutes. Top with grated jack cheese and serve with tortilla chips.