A 10lb bag of potatoes isn't really that big. If you take one of those bags, split into thirds, as in three meals a day, that's a bit more than 3lbs per meal. I

A 10lb bag of potatoes isn't really that big. If you take one of those bags, split into thirds, as in three meals a day, that's a bit more than 3lbs per meal. If that's your only source of food, that doesn't seem entirely unreasonable.