INGREDIENTS

* 4 large potatoes, peeled and diced
* 8 cups water
* 1 (12 fluid ounce) can evaporated milk
* 16 ounces heavy cream
* 1/2 cup sour cream
* 3 tablespoons butter
* 1/2 teaspoon onion salt
* 1/2 teaspoon garlic powder
* salt to taste
* freshly ground pepper, to taste

Method

1. Place the potatoes and water in a large saucepan. Bring to a boil. Reduce heat and simmer 1 hour, or until potatoes are very soft.
2. Mix the evaporated milk, heavy cream, sour cream, butter, onion salt, garlic powder, salt and pepper with the potatoes. Simmer 2 hours, stirring occasionally, until liquid has reduced by 1/3.
3. Scoop out and drain 1 to 2 cups of the mixture and thoroughly mash with a potato masher. Return to mixture. Garnish and serve.