Scallop Potatoes - cooking recipe

Ingredients

2 Tbsp. butter
2 Tbsp. flour
1 tsp. salt
1 c. milk
1 c. sour cream
1 c. shredded Swiss cheese
1/2 c. sliced scallions or onions
3 or 4 c. cooked potatoes

Preparation

Add to White Sauce. Put in casserole and mix together.