Ingredients:

1 cup sugar
1 3/4 cups flour
2 tsp baking powder
4 Tbsp butter
1 egg, slightly beaten
1/2 cup milk
1 Tbsp sugar mixed with 1 tsp cinnamon

Instructions:

Preheat oven to 375 F.
Mix sugar, flour, baking powder, then use fingers to mix in butter.
Add egg and milk and mix up.
Put into 8 inch square pan (buttered) and sprinkle with mixture. 
Bake for 20 minutes.