Chop the oregano leaves and combine the first 6 ingredients. Place pork roast in slow cooker.Rub the mixture over the pork roast. Cook on low for 8-10 hours or on high for 5-6 hours.Shred the meat and toss with the additional balsamic vinegar, if desired. Pairs wonderfully with rice.
Notes
Leftover meat can be tossed with BBQ sauce or add sauteed veggies and potates for several different meals.