Heat olive oil in a skillet over medium-high heat.
Combine the salt, coriander, pepper, cinnamon, and nutmeg and sprinkle spice mixture evenly over pork slices.
Add the pork to the pan and cook until desired degree of doneness (about 3 minutes on each side).
Remove pork from pan and cover with foil.
Melt butter in the pan and add apple slices, shallots, and a pinch of salt.
Saute until apple starts to brown (about 4 minutes).
Add apple cider to pan and cook until the apple is a crisp-tender (about 5 minutes).
Stir in the thyme leaves and season to taste with salt and pepper.
Drizzle the apple mixture and sauce over pork and serve.