Who Needs Beer Batter? One very large onion cut into 4 thick slices, remove center rings leaving 3-4 layers. Streaky bacon... Tasty tasty smoked streaky bacon, wrapped around the rings as shown above In oven at 300 (No grill) for about 35-40 minutes to cook (place on a rack or scrunched tinfoil layer so they don't sit in juices) Finish on BBQ