White chicken chili

1 c cooked white beans
2 c chicken stock
1 lb chicken breast
1/2 med onion-chopped
1/4 bell pepper -chopped
1/2 t garlic
2 1/2 T butter
2 1/2 T flour
1/2 c milk or half and half
1/2 T chili powder
1/2 T cumin
1/2 T tabasco-or to taste
2-3 oz canned chilis-to taste
garnish with grated Jack cheese or sour cream

Saute vegetables in butter, add diced chicken and chicken stock and all other seasoning except milk and flour. Simmer until vegetables are soft. Combine milk and flour, stir in gradually to thicken, simmer for 1 minute. Serve with garnishes.