Potato-Onion Piquante - cooking recipe

Ingredients

6 medium potatoes
2 medium onions, thinly sliced
2 Tbsp. margarine
1 (4 oz.) pkg. buttermilk Ranch Style dressing
1 c. mayonnaise
1 c. buttermilk

Preparation

Make several crosswise slices in each potato, not cutting quite all the way through bottom peel (each slice to be approximately 1/2 inch thickness).
Gently open cuts and place one onion slice in each.
Place in a shallow dish.
Cover and bake at 450\u00b0 for 1 hour or until potatoes are done.
Dot with margarine.