Finely chop the cloves of garlic. Mix with the quark, mayonnaise, salt and pepper.
Cut the tomatoes into thin slices. Grate the Gruyère AOP into slivers.
Cut open the baguette rolls lengthways. Spread the quark on the open faces. Garnish with spinach leaves, air-dried meat, Gruyère AOP and tomato slices. Close again and cut in half.