Preheat the oven to 350 F.
In a mixing bowl, toss together the ground cashews, grated Parmesan cheese, salt, pepper, thyme and oregano. Coat both sides of the pork chops and place in baking dish.
Bake in the preheated oven for 25 to 30 minutes, or until cooked through.
In a skillet, saute the onion slices in butter. Top the pork chops with sauteed onions.