Heat waffle iron, spray waffle iron with non-stick cooking oil.
Assemble the sandwich with 2 slices of bread, tomatoes, 2 slices of mozzarella and basil. Season with salt and pepper
Place the sandwich in the middle of the waffle iron.
Close and press the lid of the waffle maker. Bake until bread is lightly toasted and cheese is melted. About 4 minutes
Serve immediately