Remove all visible fat from the chops.Fry chops in hot oil on each side about 3 minutes until browned.
Remove, put aside.
Add onion and cook over medium heat for about 5 minutes until soft and caramelized.
Add the cider, stir, bring to a bubble and reduce a little.
Add the cream and mustard, stir, bring to a simmer then put the chops back in and cook for 8-10 minutes or until cooked through.
Put the chops back, season with salt and pepper, and cook for 8-10 minutes or until cooked through.Meanwhile, cook the spinach in a large pan with butter and seasoning until wilted.