01 -
Get your oven hot at 450°F.
02 -
Mix flour, baking powder, sugar and salt together in a bowl.
03 -
Fold in the sour milk gently, don't mix too much.
04 -
Drop melted butter into 8x8 dish. Add dough on top, spread it around.
05 -
Make 9 squares with a knife, cook for 28 minutes till brown on top.
06 -
Wait a bit so the butter soaks in before you serve.