Orange Sugared Scones
["2 1/2 c. all-purpose flour", "2 tsp. baking powder", "1/2 tsp. baking soda", "1/2 tsp. salt", "1/2 tsp. cinnamon", "1/2 c. butter", "1/2 c. plus 2 Tbsp. sugar", "1/2 c. dried currants or raisins", "1 Tbsp. grated orange peel", "1 c. (8 oz.) light sour cream or dairy sour cream", "1 egg, separated", "4 tsp. lemon juice"]
["Heat oven to 375\u00b0.", "In a large bowl combine flour, baking powder, baking soda, salt and cinnamon.", "Cut in butter until crumbly.", "In small bowl combine 1/2 cup sugar, currants and orange peel.", "Stir into flour mixture."]
["flour", "baking powder", "baking soda", "salt", "cinnamon", "butter", "sugar", "raisins", "sour cream", "egg", "lemon juice"]