- Combine potatoes, ½ cup chicken broth, 4 tablespoons butter, ¾ teaspoon salt, and ½ teaspoon pepper in large saucepan. Cover and cook over medium heat, stirring occasionally, until potatoes are tender, about 20 minutes. Process with immersion blender until smooth.
- Meanwhile, pat pork dry with paper towels and sprinkle with pie spice, 1 teaspoon salt, and 1 teaspoon pepper. Melt 1 tablespoon butter in 12-inch nonstick skillet over medium-high heat. Add pork and cook until well browned and registers 140 degrees, about 6 minutes per side. Transfer pork to platter and tent with foil.
- Whisk cornstarch and remaining ½ cup chicken broth together in bowl. Combine cherries, bourbon, orange marmalade, chicken broth mixture, remaining ¼ teaspoon salt, and remaining ¼ teaspoon pepper in now-empty skillet. Bring to simmer over medium-high heat and cook, stirring, until mixture turns thick and translucent, about 3 minutes. Off heat, stir in remaining 2 tablespoons butter. Serve pork chops and sweet potatoes with sauce.
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