German Potato Salad - cooking recipe

Ingredients

5 potatoes
1 small onion, chopped
1 tsp. chopped parsley
1/2 tsp. salt
1/2 tsp. caraway seed
1/4 tsp. marjoram
1 bay leaf
2 Tbsp. butter
2 Tbsp. flour
1 Tbsp. vinegar

Preparation

Peel and cut raw potatoes into quarters and then into 1/2-inch slices.
Put in pot and barely cover with water.
Add onion, parsley, salt, caraway, marjoram and bay leaf.
Cook until potatoes are soft.
Make a roux from the butter and flour and add a little water from the cooked potatoes to thin.
Add this back to the potato mixture to thicken.
Stir in vinegar as desired for taste.