German Potato Salad - cooking recipe

Ingredients

6 medium potatoes, peeled, cut and cooked
3 Tbsp. margarine
3 Tbsp. flour
1 tsp. salt
3/4 tsp. dry mustard
1/4 tsp. pepper
1 1/2 c. milk
1 (No. 2) size can green beans, drained
3/4 c. mayonnaise
1 medium onion, chopped coarsely
6 franks or smoked sausages, cut in 1/4-inch slices

Preparation

Melt margarine.
Remove from heat and blend in flour, salt, dry mustard and pepper.
Slowly stir in milk.
Cook over medium heat until mixture thickens; boil 1 minute.
Remove from heat and blend in mayonnaise.
Reserve 1/4 cup sauce.
Fold in beans, potatoes, franks and onions.
Spoon into casserole dish and add the reserved sauce to the top.
Bake at 350\u00b0 for 45 minutes.