Quick and Easy Peach Cobbler

1 cup self-rising flour
1 cup white sugar
1 cup whole milk
1 (2 pound) can sliced peaches in heavy syrup
1/2 cup butter or margarine
                   
1. Melt butter in 9 x 13 inch pan. 
2. Mix together the flour, sugar, and milk. Pour mixture
   into the pan. Spread peaches, including syrup, evenly
   around the pan. 
3. Bake at 350 degrees F for 30 to 40 mins, until the crust
   turns golden brown. Let cool for about 10 mins before serving.