The McDonald's Double Cheeseburger features two 100% pure all beef patties seasoned with just a pinch of salt and pepper. It's topped with tangy pickles, chopped onions, ketchup, mustard, and two melty American cheese slices.

The McDouble has its cheese embedded inside of its 100% all beef patties. This guarantees that the cheese will never slip up inside of the burger body if you press down too hard, which tends to happen frequently with low-end gourmet burgers.

3.2 ounces "A regular McDonald's hamburger patty is about 1.6 ounces, which is actually a very small portion of protein. A McDouble is two of these patties, so that's 3.2 ounces.

McDonald's announced tweaks to its Big Mac, McDouble and standard hamburgers and cheeseburgers, including softer buns and adding onions to the patties while they're cooking on the grill.

The McDouble is a hamburger sold by the fast-food restaurant chain McDonald's. It is a variation on the double cheeseburger, with only one slice of cheese placed between the two beef patties. It was introduced in 1997.

The Daily Double takes a McDouble, loses the mustard, ketchup and pickle and replaces them with shredded lettuce, a slice of tomato and a splash of mayo. This rebranding will cost you $1.

McDouble. "If you are looking to up your protein game and still stay in a fairly normal lunch/dinner calorie range, the McDouble can be a good choice," says Goodson. "With 22 grams of protein and 400 calories, it gives you an extra patty of meat to boost the protein and iron content of the burger.

By specializing in a limited menu, they were able to focus on quality and quick service. They focused on burgers, fries, and shakes that sold at half the price and time of their competitors, with a self-service counter to avoid relying on waiters and waitresses. Each meal was prepared in advance and kept warm.

A standard McDouble comes with two beef patties sandwiching a slice of American cheese, re-hydrated dehydrated onions, ketchup, mustard, and pickles on a toasted regular bun. The beef patties and cheese are completely identical to those found in the Big Mac.

A slice of melted processed cheddar cheese between two 100% Canadian beef patties, topped with pickles, onions, ketchup and mustard on a toasted bun.

The McDouble is a hamburger sold by the fast-food restaurant chain McDonald's. It is a variation on the double cheeseburger, with only one slice of cheese placed between the two beef patties.

The double cheeseburger has a slice of cheese for each burger patty. The McDouble had two burger patties, but only one slice of cheese. The only physical difference between a McDouble and a double cheeseburger at McDonald's is that the former had one fewer slice of cheese.

Make your own version of In-N-Out's Double-Double Animal Style burger with caramelized onions, two patties, American cheese, pickles, mustard, and special sauce. Kenji is the former culinary director for Serious Eats and a current culinary consultant for the site.