Warm Potato Salad - cooking recipe

Ingredients

1 1/2 lb. small red skinned potatoes with skins, quartered
1/2 lb. green beans, trimmed and cut into 1 1/2-inch pieces
1 onion, chopped
2 Tbsp. oil
1/4 c. Dijon mustard
3 Tbsp. white vinegar
1/2 tsp. salt
1 Tbsp. sugar
1/8 tsp. pepper

Preparation

Cook potatoes in lightly salted boiling water for 15 minutes or until tender.
Add the green beans for the last 5 minutes of cooking.