TreeHouse Foods has expanded its recall of frozen waffles and other breakfast products over concerns of listeria contamination.

Food recalls are plaguing the news this week, and ready-to-eat products are the culprits. Just a few days ago, grocery stores had to pull packages of Caesar salads and tacos off their refrigerated shelves. Now, the U.S. Food and Drug Administration (FDA) has announced that people should toss out another convenient pre-cooked staple, too.

Two listeria-related recalls for frozen waffles and pre-packaged meat products have been issued in recent weeks.

This image provided by TreeHouse Foods, Inc., shows the packaging of two styles of waffles, among hundreds of brands of frozen waffles, that are part of a voluntary recall because the products could be contaminated with dangerous listeria bacteria,

TreeHouse Foods issued a voluntary recall last week for its frozen waffle products that are sold at many retailers in the U.S. and Canada.

An Illinois company is recalling frozen waffles sold by more than a dozen major U.S. retailers under multiple labels because of possible listeria contamination. Though no illnesses have been reported,

Treehouse Foods Inc. has recalled dozens of frozen waffle products because of potential listeria contamination.