Persik Panggang Mentega Kecokelatan dengan Remah Brioche "Toast" Kayu Manis

Bahan-bahan (8 porsi)

• 4 slices brioche bread, torn or pulsed into fine crumbs (about 2 cups of crumbs)
• 4 tablespoons salted butter, melted
• 2 -5 tablespoons cinnamon sugar, to your taste, plus more for serving
• 4 tablespoons salted butter
• 2 tablespoons honey
• 1 teaspoon vanilla extract
• 1/2 teaspoon ground cinnamon
• 4 ripe, but firm peaches or nectarines, halved + pit removed
• vanilla ice cream, for serving