Carve tomatoes crosswise, blanch and skin them. Quarter them, remove seeds and dice finely. Wash basil, shake dry and cut the leaves into strips. Mix with the tomatoes. Season to taste with salt and pepper
Lightly toast slices of bread in a toaster. Peel and chop the garlic. Knead garlic and butter. Spread the breads with it. Spread tomatoes on top. Slice cheese over it.