Experience the delicious breakfast sensation of our Egg McMuffin® breakfast sandwich, which gives you excellent protein benefits and delicious flavors to satisfy your cravings. The Egg McMuffin® assembly begins with Grade A freshness when McDonald’s cooks the egg before adding it to the English Muffin made with butter and pairing it with Canadian bacon and American cheese. The Egg McMuffin® sandwich from McDonald’s carries 310 calories as its nutritional count.