Preheat oven to 425 degrees. Bring down to 375 degrees.
For the crust, combine dry ingredients and set aside.
Combine softened butter and milk in smaller bowl.
Add to dry ingredients, stirring with a fork.
Set aside 1/4 of dough for topping.
Press the rest of the dough into a baking dish or large cast iron skillet. Press up the sides until the crust covers the dish or skillet.
Wash, peel, and slice peaches.
Add in sugar, salt, corn starch, and cinnamon. Mix well.
Pour peach mixture into crust, and top with sliced butter.
Finally, crumble your saved crust topping over the peach mixture.
Bake for 40 minutes to 1 hour, until crust is golden brown.
Serve with a scoop of vanilla ice cream and enjoy!