As great as proteins are prepared sous vide, root vegetables enjoy their own benefits. After roasting, these potatoes can be cooled and refrigerated to be reheated, either in the oven or in a pan with a bit of butter.
Potatoes, any type, 2 lbs./1Kg.
S+P, to taste
Chopped parsley, dried or fresh, as needed.
Egg white, 1 ea.
Vegetable oil, 1 oz./30ml.