01 - Preheat oven to 400°F. Line a baking dish with parchment paper or lightly grease it.
02 - Place pear halves cut side up in the baking dish.
03 - In a small bowl, stir together grated ginger, honey, cinnamon, vanilla extract, lemon zest, and lemon juice until blended.
04 - Spoon the ginger-honey mixture evenly over the pears.
05 - Drizzle melted butter over pears and sprinkle with chopped nuts if desired.
06 - Roast for 20 to 25 minutes, basting once with pan juices, until pears are golden, tender, and caramelized.
07 - Serve warm alone or with vanilla ice cream, whipped cream, or Greek yogurt as preferred.