Trim sprouts and halve length wise. Quarter mushrooms.
Place cut sprouts and mushrooms in oven/microwave safe caserole dish. Add 3 TBSP water and microwave on high about 8 minutes (sprouts will start to get tender).
Carefully drain water from dish. Add oil, garlic, bacon, salt and pepper, mix and roast at 400 degrees for 20-25 minutes.
Serve immediately.