Active time: 15 minutes
Total time: 2 hours
Serves: 4
Rib Rub
1 Tbs chili powder
2 tsp garlic powder
1 tsp ground mustard
1 tsp ground cumin
1 tsp salt
½ tsp pepper
1/8 tsp cayenne pepper
1 Tbs brown sugar
1 full rack baby back ribs (about 4 lb/1.8 kg), silver skin removed
1½ cup (12 fl oz/355 ml) porter beer
Barbeque sauce