Easy Cheese Potatoes
["2 1/2 lb. California OR red potatoes", "1 c. milk", "1 c. whipping cream", "1/4 lb. sharp cheese", "1 tsp. prepared mustard", "1 tsp. salt", "1 tsp. pepper"]
["Cook potatoes with skins on until just firm.", "Refrigerate overnight."]
["California", "milk", "whipping cream", "sharp cheese", "mustard", "salt", "pepper"]