Fresh Peach Cobbler

Bahan-bahan (8 porsi)

• 5 -6 large fresh yellow peaches, sliced (about 5 cups, or 750-900 grams)
• 1/4 cup sugar
• 1 tablespoon cornstarch (optional – see note 1 below)
• 1/2 cup salted butter, melted
• 3/4 cup sugar
• 1 teaspoon vanilla
• 1 cup flour
• 1 teaspoon baking powder
• a pinch of salt
• 1/4 cup turbinado sugar (optional, but really nice)
• whipped cream or vanilla ice cream for serving