Preheat oven to 400 degrees.
Place halved brussels sprouts in a medium mixing bowl.
In a separate small bowl, combine maple syrup, melted butter, and olive oil.
Drizzle over brussels sprouts and toss until evenly coated.
Spread brussels sprouts in a single layer on a rimmed baking sheet.
Roast at 400 degrees for 15-20 minutes, until tender-crisp.
Toss brussels sprouts with cooked, crumbled bacon and sprinkle with sea salt.