Omelet -- 566%
Plate IQ breaks down a Denver omelet made with ham, cheese, onions, and peppers and finds that the raw ingredients cost just $1.35, according to an ingredient cost analysis from Plate IQ. None of the items cost more than 50 cents, yet you’re likely paying about $9 for your breakfast, meaning you pay 566 percent more. The restaurant will likely charge $1 less for a vegetarian option made with spinach, mushrooms, and Brie cheese, bringing the markup down to 471 percent. Not that every supermarket item is cheap—don't miss these 14 grocery store items that are grossly overpriced.