Poppy Seed Tart Poppy seed tart with delicious poppy seeds filling is ideal for breakfast or dinner, or as a sweet treat after lunch. I'm one of those people who adore poppies. You can make the dough and filling one day before and tomorrow take it out 1-2 hours earlier. The cake is according to my recipe and I always stick to this recipe of mine and the dough always works! In Italy, there is nowhere to buy poppy seeds. I regularly bring them from Serbia, since in my count