Wash the peaches, remove the pits, and cut each into about 8 wedges, leaving the skin on. Place in a bowl and toss with the cinnamon sugar. Divide between 2 cake pans, 10 inches (25 cm) in diameter, lightly pressing the fruit into the forms with your hands.
Use your hands or 2 spoons to place the cobbler topping on the peaches in random piles, leaving 1 inch (2