Preheat oven to 350°
Melt the stick of butter in a casserole dish, while you're preheating the oven.
While the butter is melting In a large bowl, combine the self-rising flour, baking powder, and cinnamon. Mix well.
Add the milk and vanilla. Mix all of the ingredients together. The batter may look thin and possibly lumpy.
Pour the batter into the casserole dish over the melted butter.
Place the peaches and syrup on top of the batter. Do not stir. The batter should rise to the top.
Sprinkle liberally with cinnamon or a mixture of sugar and cinnamon.
Place in the oven at 350° for 50 minutes.
Serve warm with a scoop of icecream or whipped topping.