the united states department of agriculture 's food safety and inspection service -lrb- fsis -rrb- revealed the recall on tuesday .
the type of baby food being recalled is ` stage 2 beech-nut classics sweet potato & chicken , ' which is sold in 4-ounce glass jars , the federal agency said in a news release .
stores across the country were shipped the jars now being recalled , according to fsis .