There are now silicone lids you can purchase for pyrex storage containers. As a bonus, they stay supple and don't crack. Even so, lids do not touch food as much

There are now silicone lids you can purchase for pyrex storage containers. As a bonus, they stay supple and don't crack. Even so, lids do not touch food as much as the container itself. Sadly, silicon freezer bags have yet to work as well as plastic ones. Give them time.