Blueberry Scones

2 cups all-purpose flour 1/3 cup sugar 1 teaspoon baking powder 1/4 teaspoon baking soda 1/2 teaspoon salt 8 tablespoons unsalted butter, frozen 1 cup blueberries 1/2 cup sour cream 1 large egg

Mix dry ingredients. Use your fingers to mix in butter. In small bowl, mix egg with sour cream. Mix just till it comes together. Then I like to make it into a long flat 1" thick log and cut with a knife or dough cutter into triangles. Place on baking sheet and bake in preheated 400 degree oven. About 15 minutes.