George W. Bailey / Shutterstock.com Frozen Food Boxes Put in Garbage Cart George W. Bailey / Shutterstock.com digitalreflections / Shutterstock.com Not Just Paper Frozen food boxes look like paper or cardboard but actually contain a layer or two of plastic to help preserve their contents. Because they are mixed materials, these boxes can’t be recycled. Ways to Reduce Make Your Own Frozen Meals Consider making your own frozen meals at home. It’s easy and can save you money. You can make a little extra of your favorite meals each time you cook or make entire batches to freeze. Follow these tips for best results.