The Japanese Sweet Potato sandwich is coming back onto the menu. Enzo created this super-addictive sandwich after Farmer Ray had an extra good "bumper crop" of sweet potatoes and no outlet for them. Several years ago, I went with a group of staff members to watch Next Barn Over crew harvest our sweet potatoes, and I can still hear the sounds. Roots ripping, farmers laughing, boots squishing mud, iPhone cameras snapping. Quiet fields with the occasional pickup truck driving past. Some of the ...