Baked Whole Red Potatoes have 5.1 times more energy per unit of mass than Raw Cos Or Romaine Lettuce, which is average in comparison to other foods. Romaine Lettuce having very low energy density.
Nutrients data from USDA National Nutrient Database for Standard Reference by US Department of Agriculture, Agricultural Research Service, Nutrient Data Laboratory.
Recommended Dietary Allowances (RDA) compiled from U.S. Department of Health & Human Services , National Institutes of Health.