If I recall, the earliest mentions of a 3-2-1 timeline was probably on The BBQ Forum, and the original BGE member forum at least 20 years ago. And this timeline is for the full slab, which weigh-in at 5# to 6#. It does not work on smaller racks of ribs.
The 3 hours is usually a good guideline, but 2 hours wrapped can be dangerous. You can always probe for tenderness with a toothpick after 45 minutes.
Here is a recent article of mine with general tips for spare ribs I've learned over the years.
November 2024 I have probably smoked more ribs than any other barbecue meat, and pork spare ribs are my all-time favorite ribs. Instead of ...
playingwithfireandsmoke.blogspot.com
