01 - Preheat oven to 400°F and line a baking sheet with parchment paper or foil.
02 - Mix chipotle peppers, honey, apple cider vinegar, minced garlic, smoked paprika, salt, and black pepper in a small bowl until combined.
03 - Pat chicken thighs dry with paper towels, rub with olive oil, then coat evenly with chipotle honey mixture.
04 - Arrange chicken skin-side up on baking sheet. Roast 35-40 minutes, basting halfway with pan juices, until skin caramelizes and internal temperature reaches 165°F.
05 - Place potatoes in a large pot, cover with cold water, add salt, bring to a boil, then reduce heat and simmer 15-20 minutes until fork-tender.
06 - Drain potatoes and return to pot. Add butter, milk, smoked Gouda, salt, and pepper. Mash until smooth and creamy, adjusting seasoning as needed.
07 - Plate chicken thighs over smoked Gouda potatoes and garnish with chopped chives if desired.