- With the rack in the middle position, preheat the oven to 200 °C (400 °F).
- Cut Brussels sprouts in half if they are small (or quarter if they are large). Place on a baking sheet. Add bacon. Drizzle with a little olive oil. Season with salt and pepper and toss well.
- Roast for 20 to 25 minutes or until vegetables are tender and beginning to brown. Add pecans a few minutes before the end of cooking, to toast lightly.
- Serve with meat or fish.