Preheat oven to 350degrees. In a large bowl, mix butter and seasonings. Add potatoes and toss to coat., Wrap 1 piece bacon around each sweet potato cube; secure with a toothpick. Sprinkle with brown sugar. Place on a parchment-lined 15x10x1-in. baking pan., Bake until bacon is crisp and sweet potato is tender, 40-45 minutes. Serve with maple syrup.