Potato Salad - cooking recipe

Ingredients

7 medium potatoes
1/2 c. milk
1/3 c. sugar
1/4 c. vinegar
1 egg
4 Tbsp. butter
1 Tbsp. cornstarch
3/4 tsp. salt
3/4 tsp. celery seed
1/4 tsp. dry mustard
1 c. mayonnaise
1/4 c. onion
celery and parsley to taste
4 hard-boiled eggs

Preparation

Cook potatoes until tender, dice and set aside.
Blend milk, sugar, vinegar, 1 egg, butter, cornstarch, salt, celery seed and mustard; cook on low heat until thick.
To this add mayonnaise, onion, celery, parsley and diced hard-boiled eggs.
Add diced potatoes and mix well.
Refrigerate until cool.