You decide how much time you want to put into the prep - either throw everything in a crock pot and let it go all day, or caramelize the onions and rhubarb first for an extra rich sweet flavour. Either way, you get delicious rhubarb pulled pork, everytime.
Place pork butt roast into slow cooker. Pour salt over top of the roast.
To caramelize the rhubarb and onions, in a saucepan, over medium heat, combine rhubarb, onion, garlic, spices, honey, apple juice, vinegar. Mash slightly to break up rhubarb pieces. Stir regularly, heat until caramelizing on the pan. This takes about 20 minutes. Wait until it is dark on the pan but not burnt.
Pour the rhubarb sauce over the roast.
Add the stock to the saucepan to deglaze the pan. Heat gently to lift all the flavour off the pan. Pour these juices over the roast. Close the lid. Set slow cooker on High and cook for 6-7 hours*.
After 6-7 hours open up the slow cooker. Cut the strings around the roast. If there are any large obvious pieces of fat sitting on top, slice off and discard. Remove all the strings and discard. Use 2 forks and pull the roast apart from the centre. The meat should pull apart** easily, shredding into signature pulled pork long strands. Completely pull the roast apart. Let the shredded meat sit in the cooking liquid for 5-10 minutes.
Pour the pulled pork mixture over a colander set in a bowl. Drain the liquid. Set aside (see notes).
Mix pork mixture with 1-2 cups barbecue sauce. Add even more if you want it really saucy! Serve immediately or refrigerate.
Notes
* Each slow cooker is different. 6-7 hours on high works well for 2 kg of meat.**If the roast is not shredding easily, it is not ready yet. Close the lid and let cook longer.Drained Off Liquid - strain and use instead of water when cooking rice, making soup, cooking vegetables or anywhere else you need a little extra flavour.