Naturally and artificially flavored. Toast'em Pop-Ups provide a good source of 7 vitamins and mineral (see side panel for nutrition facts). Partially produced with genetic engineering. Flavor Kist: Quality bakers since 1923. Quality bakers since 1923. Toast'em Pop-Ups are the original toaster pastry; their moist fillings and bakery fresh taste are the result of more than 75 years of baking experience. Toast'em Pop-Ups are fully baked and ready to eat.