All of our crumb cakes are made with either moist yellow cake or dark rich chocolate cake. The fruit flavored cakes such as blueberry are made using plump, juicy whole berries. The crumb tops are from our old world recipe using the purest ingredients, then carefully baked to attain a slight crisp outer layer with a moist buttery center. Kosher. Size: 8" x 8" Some available in single serving size and check out the sheet cake page to order 1/2 sheet 24ct precut.