Lightly grease slow cooker with non-stick spray.
In a shallow bowl or dish, whisk together flour, mustard powder, salt and pepper, garlic powder and onion powders, and Italian seasoning, if using.
Heat olive oil in a large pan or skillet over medium-high heat.
Dredge pork chops in seasoned flour mixture and sear on both sides until browned.
Whisk chicken broth into remaining flour mixture, stirring until smooth, then pour into greased slow cooker.
Add browned pork chops, cover and cook on high for 2 1/2-3 hours, or until cooked through.
