Step 1: Toast the slices of bread (not too crispy).
Step 2: make a fried egg, sprinkle salt and black pepper.
Step 3: spread the homemade sauce over two slices of bread, on one side.
Step 4: assemble the sandwich- take the sauce-spread bread, keep 2 slices of cheese over the bread, followed by a layer of tomato and then onion. Next goes the slice of bread without any sauce, then place the fried egg over the slice, a layer of onion and then tomato. Place two slices of cheese over it and finish it with the last slice of bread (with sauce).
Step 6: grill the sandwich, and make sure that the heat is enough to melt the cheese!