Preheat oven to 375°.
Trim off the stem and trim ends. Rinsed brussel sprouts, remove any bad leaves, then cut the sprout in half lengthwise.
Place in a bowl and add the olive oil to lightly coat them
Sprinkle with the salt and pepper and add finely sliced bacon pieces
Now add 2 tablespoons of blueberry balsamic vinegar
Toss this all together well and place on a non-greased baking sheet cut side down.
Place in oven and roast 15 minutes. Then turn the sprouts over, cooking another 15 minutes.
If your sprouts are large you may need a little more time.
Just before serving sprinkle more blueberry balsamic vinegar over the sprouts