I already had my SI #2 going on some pastrami but I added 3 oz of cherry and placed the foil pan in the smoker set at 250 uncovered. After 3 hours I checked them and they needed a bit more time so I pulled them out and put them into my oven at 400 for an hour. I poured a bit more olive oil and added about 2 oz of water then covered with foil. After an hour they came out fork tender.
At this point I peeled them then cubed them. I tossed them with feta cheese crumbles and walnut pieces. Drizzle oilive oil, added more za'atar, a squeeze of fresh lemon juice, salt and pepper. I also sautéed the beet leaves with olive oil and about 1 1/2 tsp minced garlic. Here's how they turned out. Sorry for blurry photo but was rushing to get dinner on the table.