Spice Rub

1. Combine the smoked paprika, light brown sugar, kosher salt, and black pepper in a small bowl.

2. Mix until evenly blended.

Prepare the Pork

1. Use a small knife to cut shallow slits all over the pork roast.

2. Insert the sliced garlic into the slits, spacing them evenly.

3. Rub the outside of the pork with the prepared yellow mustard.
 Then Coat the mustard-covered pork evenly with the spice rub.

Assemble in the Slow Cooker

1. Add the olive oil to the insert of the Drew Barrymore Beautiful 10-in-1 Electric Multi-Cooker.
 Place the seasoned pork into the cooker.
 Add the chopped onion around the pork.

2. Pour the barbecue sauce and Worcestershire sauce over the roast.
 Add the liquid smoke.

Slow Cook

1. Set the cooker to Slow Cook.
 Cover and cook
 on Low for 10–12 hours
 or on High for 5–6 hours
 Cook until the pork is very tender and easily shreds with a fork.

Shred the Pork

1. Transfer the pork to a large bowl.
 Shred using two forks.
 Return the meat to the slow cooker and stir to coat with the cooking juices.

Toast the Buns

1. Lightly butter the cut sides of the hamburger buns.
 Toast cut-side down in a skillet over medium heat until golden brown.

Assemble

1. Spoon the pulled pork onto the toasted buns.
 Serve warm.