In a small bowl mix flour, sugar, salt and baking powder. Cut in cold, cubed butter until mixture resembles coarse crumbs.
In small bowl combine 2 tablespoons beaten egg and buttermilk (set aside left over beaten egg for wash)
Add egg mixture to dry ingredients, mix until moistened.
Add dried cherries, orange zest and orange juice and mix together.
Turn dough onto a floured surface. Knead gently 6 to 8 times. Knead in a small amount of flour only if needed. Pat into a 6 inch circle. Cut into 4 wedges. Place wedges on a baking sheet lined with parchment paper. Brush with left-over egg. Sprinkle with sugar.
Bake at 425º for 12 to 15 minutes. Drizzle with Orange Glaze.
To make Orange Glaze: Mix 1/2 cup powdered sugar with 2 tablespoons fresh squeezed orange juice. Drizzle over scones.