Au Gratin Potatoes

From Shirley Evans 

Makes 8 servings

1-1/2 lbs. potatoes, sliced 1/8” thick        

1-3/4 c. chicken broth                 

1-3/4 c. whole milk                                                 

3 Tbs. melted butter

2 Tbs. flour                                                                

2 c. grated Gruyere cheese

3/4 c. grated Parmesan cheese                                  

1 Tbs. chopped fresh parsley

1 Tbs. chopped fresh chives

Heat oven to 325 degrees. In saucepan, bring potatoes, chicken broth and milk to a boil. Reduce heat to medium and cook for 5 minutes more. Drain, reserving liquid. Layer potatoes in greased 2 qt. baking dish.

In same saucepan over medium heat, cook butter and flour 1 minute, stirring often. Slowly whisk in reserved liquid. Bring to a boil. Cook 1 minute more, whisking constantly.

Stir in remaining ingredients; pour over potatoes. Bake 45 minutes or until bubbly. Let sit 15 minutes before serving.