1Toast the 8 slices of bread until they are golden brown.
Slice the large onion and the 2 medium tomatoes.
Prepare 4 egg omelets using your preferred method.
Place one egg omelet on a slice of toasted bread.
Add a few slices of onion and tomato on top of the egg omelet.
Cover with another slice of toasted bread to form a sandwich.
Repeat the process to make a total of 4 sandwiches.
Serve immediately and enjoy your Simple Egg Sandwich.