Kate Taylor/Business Insider
Isaac Toast makes great egg sandwiches.
- Isaac Toast is a South Korean chain that serves nothing but toasted egg sandwiches, grilled fresh to order.
- There are hundreds of Isaac Toast locations in South Korea, and the chain is beginning to expand outside of the country. When the first shop opened in Singapore in 2018, customers waited for hours to get their hands on a piece of toast.
- I visited Isaac Toast in Seoul, South Korea, and discovered how the chain has crafted a perfect breakfast sandwich.
- Visit Business Insider's homepage for more stories.
I'm on the constant hunt for the perfect breakfast sandwich.
It is a search that has brought me from McDonald's McMuffin to Dunkin's plant-based "sausage" sandwich to spending $20 to have a breakfast sandwich delivered from a now-shuttered Brooklyn brunch spot.
While visiting Seoul, South Korea, I have been expanding my fast-food knowledge with visits to Korean chains such as Lotteria and local adaptations of American classics, such as McDonald's, Taco Bell, and KFC. I've had a lot of good fast food - but nothing blew me away like Isaac Toast.
Isaac Toast is South Korea's largest toast chain, with more than 800 locations. The tiny locations churn out nothing but Korean street toast: eggs, cheese, and other toppings sandwiched in between two pieces of white bread and grilled to order.
It's a simple menu, but one that immediately won me over. Here is what it is like to visit the largest toast chain in the world: