Scrub with a vegetable brush under cold water. Remove eyes or sprouts. When working with lots of potatoes, peel and place in cold water to prevent discoloration. Before baking a whole potato, pierce with a fork.
When my husband and I got married in 1951, one of the first appliances we bought was an apartment-size electric range. The range came with a cookbook that included this recipe. I've used the same recipe ever since!