Roasting Brussels sprouts in your oven is one sure way to get family members to eat their vegetables. I was surprised how fast these Brussels sprouts disappeared from the table the first time I prepared them this way. I continue to be surprised when family and friends ask me to make them for our gatherings. This is my tried and true recipe for oven-roasted Brussels sprouts. Make them for weeknight dinners and special occasion meals. They are a delicious side dish for any occasion. The Best Oven-Roasted Brussels Sprouts The Best Oven-Roasted Brussels Sprouts One of the keys to super flavorful roasted Brussels Sprouts is preparing them in advance. This will allow time for the flavor of the onions, garlic, and bacon to blend throughout. I like to mix all the ingredients together at least an hour in advance but even the day before will work.