I found this recipe from recipe.com here:
http://www.recipe.com/soda-bread-scones/
Ingredients
1 teaspoon ground cinnamon
2½ cups white whole-wheat flour
½ teaspoon baking soda
½ teaspoon coarse salt
¾ cup low-fat buttermilk or plain soymilk
3 tablespoons pure maple syrup
¾ cup dried currants
8 teaspoons raw sugar, such as turbinado, optional
Directions
1. Preheat oven to 450 degrees F. Coat baking sheet with cooking spray.
2. Whisk together flour, cinnamon, baking soda, and salt in bowl. Whisk together buttermilk, maple syrup, and currants in separate bowl. Stir buttermilk mixture into flour mixture until soft dough forms. Transfer to floured work surface, and shape into 8-inch round. Cut round into 8 wedges. Transfer to prepared baking sheet, and sprinkle each wedge with 1 teaspoon sugar, if using. Bake 20 minutes, or until browned.
The only issue I have is that it includes cinnamon, currants and maple syrup which sound too sweet for me. The normal soda bread recipe I have uses black treacle which gives it an entirely different flavour than the ingredients above.
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This recipe is more traditional than the first one:
http://www.bigoven.com/160714-Scones-recipe.html
Ingredients
2 cups All purpose flour
1½ tsp Sugar
½ tsp Baking soda
¼ tsp Salt
¼ cup Unsalted butter cold, cut into pieces
¾ cup Buttermilk or sour milk, chilled
Directions
Sift the flour, the optional sugar, baking soda, and salt into a bowl. Rub in the butter until the mixture resembles course meal. Stir in the buttermilk all at once and mix with a sppon until all ingredients are moistened. Turn out onto a lightly floured surface and knead 4 or 5 times. Roll or pat the dough to inch thick and cut rounds with a 2 inch cutter, or diamonds approximately the same size, reforming and recutting the scraps. Arrange the scones 2 inches apart on an ungreased baking sheet. Bakethe scones in the middle of a preheated 400F oven for 13 to 16 minutes, or until they are well risen and the tops are golden brown. Let the scones cool slightly on a rack, but serve them warm.