Crack the egg into a microwave safe bowl. Whisk the egg and cook in microwave for 1 minute.
Cut English Muffin in half. Remove egg from microwave and place on the bottom part of muffin.
Rip the cheese in half and place on top of the egg, criss-crossing the cheese. Place top half of muffin on sandwich.
Heat toaster oven to 350 degrees F. Place sandwich on toaster over pan and cook until the top is slightly browned and cheese is melted, about 5-7 minutes.
Remove from toaster oven, allow to cool to eat and enjoy!