McDonald's is offering Egg McMuffins and Sausage McMuffins with Egg for just $1 on Sunday, when ordered through the McDonald's app. Deemed Egg McMuffin Day, the celebration honors the breakfast sandwich's 50th anniversary.

McDonald’s is offering a special deal on one of its most iconic breakfast items. To mark the 50th anniversary of the Egg McMuffin, customers can purchase an Egg McMuffin or a Sausage McMuffin with Egg for just $1—exclusively through the McDonald’s app.

McDonald's is offering $1 Egg McMuffins and Sausage McMuffins on March 2. You can also score a BOGO deal when making a McDelivery order in the app. McDonald's plans to offer Krispy Kreme Doughnuts in over half of its U.