Raw Carrots have 1.5 times more energy per unit of mass than Boiled Chopped Frozen Onions, which is low in comparison to other foods. Cooked Chopped Frozen Onions 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.