Preheat oven to 350°. In a small bowl, whisk together spices, salt, and pepper. Add brown sugar, oil, and walnuts. Gently toss and rub nuts in mixture until evenly coated.
Spread walnuts on a rimmed baking sheet and bake, turning nuts halfway through baking, until light golden, 10 to 15 minutes total. Let nuts cool completely.
Toss walnuts with dried cherries.
Make ahead: Up to 1 week.
Note: Nutritional analysis is per 1/4-cup serving.