3 cups flour
1 cup sugar
4 teaspoons baking powder
1 stick butter, cold
2 eggs
1 cup milk
blueberries, if you want them
½ cup brown sugar
2 tablespoons flour
2 teaspoons cinnamon
2 tablespoons butter, melted
Sift together 3 cups flour, sugar and baking powder into a large bowl. Cut in the stick of butter until the mixture resembles coarse crumbs.
Mix together the egg and the milk and add all at once to the flour mixture and stir until moist. Add blueberries here, if you want them.
In a small bowl, combine the brown sugar, 2 tablespoons flour, cinnamon and melted butter. Place batter in muffin tin and top with the brown sugar mixture.