1. Trim Brussels sprouts, then cut them in half legnthways. Arrange on two baking sheets and toss with olive oil. Sprinkle with plenty of salt and pepper and roast or smoke at 375 degrees for 25 to 30 minutes, or until brown.
2. In a medium sized pot, combine balsamic vinegar and sugar. Bring to a boil, then reduce heat to medium-low and reduce until very thick, about 15 to 20 minutes.
3. As the brussel sprouts roast, fry the diced bacon until golden brown and crispy.
4. Drizzle the balsamic reduction over the roasted sprouts, then sprinkle on crispy bacon. Toss and serve immediately.