New Mexican Potatoes Au Gratin

Grrrrrgh!
Course : Potatoes
From: HungryMonster.com
Serves: 2
 

Ingredients:

2 large potatoes
1 tablespoon flour
2 tablespoons butter
1/2 teaspoon salt
1/2 teaspoon pepper
12 ounces sour cream
4 ounces green chiles -- chopped
8 ounces monterrey jack cheese
 

Preparation:

In saucepan, melt butter over medium high heat. Add flour and stir into butter. Let cook and brown slightly, forming a thick roux. Stir in sour cream, green chiles, salt and pepper. Let thicken to the consistency of thick gravy (add a milk 1 T. at a time if you need to thin it a bit). Remove from heat and add most of the cheese; set aside. Slice unpeeled potatoes into 1/4" thick slices. Place one layer in small casserole, and pour half the cheese sauce over; layer again and pour again. Bake at 350 degrees for 45 min. - 1 hr. Top with what's left of the cheese and bake an addition 15 mi