Last time, it was a piece of metal in an ice cream carton. This time, the item was better hidden but no less dangerous.

There's not much on the ingredient list of canned green beans -- green beans, water, salt but no woodchips. But that's exactly what Michael Beeden says he bit into when he took a forkful of green beans from a can.

“I just ate it and realized this is not right,” he said.

The wood chip is about two inches long and a quarter-inch wide.

“It was bigger but I bit off a piece,” said Beeden.

It’s about the same dimensions as a green bean but a lot harder to chew.

“It looks like a wood chip off a tree,” he said.

Beeden says he would laugh it off except his 2-year-old cousin was eating dinner with them that night.

“What if a little kid gets hold of it? A 2- to 3-year- old chokes on it,” he said.

Beeden says he called Wal-Mart to complain but wasn't happy with what they offered him.

“I don't want my 50 cents. We called Wal-Mart and they said we could get a refund on all cans. But I want something done; I don't want green beans,” he said.

"Food safety is a top priority at Wal-Mart. We are investigating this issue. As we do with all of the products we carry, will work with the store and supplier to assure the safety of the products on our shelves," a representative for Wal-Mart said in a prepared statement.

In April, a woman from Springfield said she found a piece of metal while digging into ice cream she purchased at Wal-Mart. She saw the metal before biting into it.