Peach Cobbler Pudding (Warm, Creamy & Comforting Dessert)

4 cups sliced peaches (fresh or canned, drained if canned)

¾ cup granulated sugar

1 teaspoon vanilla extract

½ teaspoon ground cinnamon

¼ teaspoon nutmeg

1 tablespoon cornstarch

Pudding Batter
1 cup all-purpose flour

¾ cup granulated sugar

1 teaspoon baking powder

¼ teaspoon salt

1 cup milk

½ cup unsalted butter, melted

Optional
Extra cinnamon for topping