Kolache, a popular Czechoslovakian pastry, is filled with poppy seeds, or jam. Hungarian and Polish cooking, adds Baca, includes a trove of seed-centric dishes, like poppy seed rolls, savory soups ...

In Houston and Southeast Texas, boudin sausage is a common - and phenomenal - filling ... onto the center of each kolache if using, then sprinkle with poppy seeds. Bake until the kolaches are ...