mix together 3 tablespoons sugar and 1 teaspoon ground cinnamon
preheat oven to 425 f
in a large bowel , combine peaches, 1/4 cup sugar, 1/4 cup brown sugar, 1/4 teaspoon cinamon, 1/8 teaspoon nutmeg , 1 teaspoon lemon juice, and 2 teaspoons cornstarch. toss to coat evenly. pour into a 2 quart baking dish, bake in preheated oven for 10 minutes
meanwhile, in a large bowel combine 1 cup flour, 1/4 cup sugar, 1/4 cup brown sugar, 1 teaspoon baking powder, and 1/2 teaspoon salt. blend in butter with your fingers until mixture is like course meal. stir in water until just combined.
remove peaches from oven and drop spoonfuls of topping over them. spinkle entire cobbler with sugar cinnamon mixture.
bake until topping is golden brown, about 30 minutes.