Filling:
Preheat dutch oven to 250 degrees.
Dump peaches and juice into D.O.
Dissolve cornstarch into water and stir into peaches.
Sprinkle sugar, covering the surface.
Cover and simmer.

Crust:
Mix all ingredients except milk in a large bowl.
Add about half the milk and mix.
Mix in more milk as needed until a soft dough is formed.
Pat the dough out onto a floured board until it is 1/2 inch thick.
Cut into 1/2 inch wide strips.
Open the D.O. and crisscross the strips on the peaches.
Cover and cook 20 minutes until crust is browned.