Macaroni-Potato Salad - cooking recipe

Ingredients

2 c. potatoes, cooked
3 c. cooked macaroni
3 to 4 hard-boiled eggs
1 tsp. mustard
1 c. milk
2 Tbsp. mayonnaise
1 medium onion
salt
sugar
vinegar
1 c. navy beans (optional)

Preparation

Cube cooked potatoes, cut up eggs and chopped onions; mix together milk and mayonnaise.
Add mustard, salt, sugar and vinegar.
Toss with potatoes, macaroni, egg and onion.