Preheat the oven to 375°F (190°C).
Cut the peaches in half and remove the pits.
In a small bowl, combine the saffron threads and honey. Let it steep for 5 minutes.
Brush the melted butter over the cut side of each peach half.
Drizzle the saffron-infused honey over the peaches.
Sprinkle the chopped pistachios and raisins evenly over the peaches.
Place the peach halves on a baking sheet, cut side up.
Bake for 20 minutes, or until the peaches are tender and juicy.
Serve the baked peaches warm with a scoop of vanilla ice cream or whipped cream.