McDonald's said Tuesday that it is doubling down on breakfast by introducing bagel sandwiches nationwide to celebrate the Egg McMuffin's 50th anniversary. Why it matters: Breakfast is big business for fast-food chains and expanding menus can boost morning sales.

We know that many McDonald’s fans will never forgive the Golden Arches for axing the all-day breakfast menu. But, if nothing else, that just goes to show how beloved Mickey D’s breakfast options are.

McDonald’s is bringing back the hugely popular Steak, Egg, and Cheese Bagel across the U.S., starting today. Find out why people are so excited about this breakfast sandwich and how you can get one.