At a party long ago, my friend’s husband dubbed this recipe “Cheese and Jelly Stuff”—as in, “I hope Mary is serving that cheese and jelly stuff.” Its real name is the “Plains Cheese Ring,” and it was purportedly former First Lady Rosalynn Carter’s recipe when she lived in the White House. We’ve been to Plains, Georgia, many times to hear President Carter teach Sunday school, and although we have had many fun adventures, we have never seen i