Ranch Potatoes - cooking recipe

Ingredients

6 medium red potatoes
1 medium onion, sliced
1 envelope Ranch dressing mix
1 c. mayonnaise
1 c. buttermilk
1 c. shredded cheese

Preparation

Cook potatoes and onion in water.
Drain.
Mix dressing, mayonnaise and water.
Layer potatoes and dressing.
Put cheese on top.
Bake at 350\u00b0 for 30 minutes.