Mix 1st 5 ingredients in a large bowl and make a well in the center.
In another bowl beat egg, mix in butter and milk. Pour into well in dry ingredients, add blueberries and stir to make a soft dough. Form either into 16 individual rolls or two 6-7 inch circles scored on top into 8 pie-shaped wedges. Transfer to baking sheet & sprinkle with sugar.
Bake in 425 degree oven for 15 minutes until risen and browned.