Fast Instant Sweet Potatoes for One Fast Instant Sweet Potatoes for One See this recipe in a video! Print Recipe Pin Recipe Cook Time 15 minutes minsTotal Time 15 minutes mins Servings: 1 cups Ingredients Method Ingredients 1 cup Dehydrated mashed potatoes3/4 cup Boiling water Method Add 3/4 cups of boiling water over potatoes in a microwave safe bowl.Let stand for 15 minutes.Place in microwave oven for 1 or 2 minutes.Add butter, salt, pepper and enjoy!