Toast 2 slices of wholegrain or seeded bread until golden brown.
Crack the eggs into a bowl, whisk with a fork, and season with salt and pepper.
Heat a non-stick pan over medium heat, add a little butter or oil, and pour in the eggs.
Let them set gently, then fold or shape into a rough square/rectangle to fit the bread.
Place the cooked egg on one slice of toasted bread.
Top with grated cheese, sliced tomatoes, and salad leaves.
Add the second slice of toast on top.
Optional: Add a spread like mayo, hummus, or mustard if desired.
Grill briefly for a melty version