White Chicken Chili (a-Ward winning)

I searched on line until I found what looked to be the best white chicken chili recipe. I probably used Pepper Jack cheese because we seem to have a lot of that in the freezer, then you could probably cut down on the green chilies.
White Chicken Chili
(As cooked by Karen)

This is a recipe that's so good that I never bother to try any other white chicken chili recipes. This is the one. The end all, be all recipe. I got it off the web, and it's attributed to "The Kitchen for Exploring Foods." I have altered it slightly, I cook the chicken in spices, I add an extra onion, and they called for dried beans and I use canned. Also, I rarely actually do any measuring.

INGREDIENTS:

16 oz or so of canned white beans
2 large onions, chopped
1 stick unsalted butter
1/4 c all-purpose flour
3/4 c chicken broth
2 cups half and half
1 tsp Tabasco
1 1/2 teaspoons chili powder
1 tsp ground cumin (I usually put in more)
1/2 teaspoon salt (I usually put in more)
1/2 teaspoon pepper (I put in more)
two 4-oz cans whole mild green chilies, drained and chopped
5 boneless, skinless chiken breasts (about 2 pounds)
some extra butter and oil to cook them in
1 1/2 c grated Monterey Jack
1/2 c sour cream

INSTRUCTIONS:

1. Heat a large skillet (I like cast-iron) over moderately high heat and put in some butter and oil. Meanwhile coat your chicken with salt and pepper and maybe some chili powder. Throw them in the skillet and resist the urge to turn them over. Leave them for five minutes, or until nicely browned, then flip them. Leave it there until browned and then flip them every few minutes until they are done (which you can tell by poking a knife into the thickest part and seeing if it's white instead of pink).

2. Remove the chicken from the pan. When the chicken is cool enough to handle, shred it with your fingers and set aside.

3. While waiting for chicken to cool, cook the onion in the same pan with 2 Tbs of butter until softened.

4. In a heavy pot, large enough to hold all the ingredients, melt remaining 6 Tbs of butter over moderately low heat and whisk in flour. Cook the roux, whisking constantly, for three minutes. Stir in the oinoin and gradually add the broth and half and half, whisking the whole time. Bring mixture to a boil and simmer, stirring occasionally, 5 minutes, or until thickened. (It will be nicely and obviously thick.) Stir in Tabasco, chili powder, cumin, salt and pepper. Add beans, chilies, chicken and cheese, and cook over moderately low heat, stirring occasionally for 20 minutes. Add sour cream. May be served immediately -- though like all chilis this tastes awesome the next day.

5. Serve with the usual chili garnishes--cilantro, cheese, jalapenos, tomatoes, etc. 

For a crockpot version, check this link: http://plantoeat.com/recipes/186086.