Prep: Preheat the oven to 400 degrees F. Lightly coat a baking sheet with extra virgin olive oil nonstick cooking spray.
Pork: Rub both sides of the pork chops with large, torn pieces of fresh sage and a thyme sprig; season liberally with pepper and salt.
Sear: In a large cast iron skillet, melt 2 tbsp butter over medium-high heat. Add the chops and sear for 2-3 minutes, per side, until nicely golden brown. (Make sure the pan is hot!)
Roast: Place the chops on a baking sheet and roast until the pork is cooked through, reaching an internal temperature of 140 degrees F; about 12-15 minutes.
Fruit: Return the skillet to medium-high heat and melt the remaining 2 tbsp butter. Add the apples, plums, brown sugar, cinnamon, nutmeg, and more sage and thyme. Cook, stirring often, until apples and plums begin to soften; about 3 minutes.
Stir: Add in the maple syrup, stirring often, until the sauce thickens; about 5 minutes.
Put it together: Drizzle the apple-plum sauce over the pork chops and serve immediately. Garnish with a bit more thyme if desired.