Wash lemon hot, grate dry and tear off half of the peel in zests. Halve the lemon and squeeze one half. Mix 3/4 of the zests, 2 tablespoons lemon juice, sugar and quark.
Wash and clean the strawberries and cut them into bite-sized pieces. Break the waffles into pieces and serve with the curd and strawberries. Sprinkle with the remaining zests.