Straightneck squashes (yellow squash, zephrys, and zucchini), globe squash ... I don’t recommend canning. They mostly turn to mush, but if you want to have canned puree on hand, have at it.

If you’re looking for a side dish that’s both comforting and packed with fresh, seasonal flavors, this Zucchini Gratin with Yellow Squash is a must-try. It’s creamy, cheesy, and brings out ...