Wash the asparagus and cut off the lower woody ends. Cut asparagus in half lengthwise and cook in boiling salted water for 3-5 minutes, remove. Peel shallots and cut them into fine slices. Wash, clean and quarter the tomatoes. Mix lemon juice, salt, pepper and sugar. Fold in the oil.
Fold in shallots. Mix cream cheese. Pour into a piping bag with star-shaped spout and squirt onto the pumpernickel coins. Arrange asparagus and tomatoes on plates, add some vinaigrette. Put 2 bread thalers on each plate. Garnish with lemon wedges