First prep your oranges & bacon. Preheat oven to 425 degrees. Brush a rimmed baking sheet generously with oil.
Add oranges, in a single layer, turning to coat. Season with sea salt and drizzle with 1 tbsp of Arizona Valencia Orange Oil then roast for 15 minutes.
Add bacon and roast until crisp, about 12 minutes.
Toss Brussels sprouts with remaining olive oil and add the balsamic reduction; season generously with sea salt and pepper.
Add to baking sheet; toss to combine.
Roast covered for 20 minutes, tossing once, until sprouts are tender and browning at edges and oranges are deeply caramelized. Roast for an additional 10 mins uncovered. Finish with a drizzle of Traditional Style Balsamic Reduction!