Frozen Food Trays Put in Garbage Recycle Only the Tray Remove the plastic film from the microwavable tray before recycling the tray. The film cover on the trays cannot be recycled. Clean Before Recycling Before you recycle your microwavable tray, scrape or rinse out any remaining food. Food contaminates recycling. 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. Did You Know? Frozen Food Trays: Now More Eco-Friendly Recycled plastic can now be used to make frozen food trays. ConAgra Foods and Associated Packaging Technologies partnered to use a new technology that cleans recycled plastic. Before this technology was available, regulations limited companies like ConAgra to using only new plastic for food trays.