Step 1, Preheat oven to 450 degrees F (230 degrees C). Step 2, In a large bowl, combine flour, baking powder, sugar, cream of tartar and salt. Stir in butter and milk just until moistened. Drop batter on a lightly greased cookie sheet by the tablespoon. Step 3, Bake in preheated oven until golden on the edges, about 8 to 12 minutes. Serve warm.
Meanwhile, place strawberries, orange juice and remaining sugar in a bowl; toss gently. Split shortcakes in half horizontally. Place bottom halves on serving plates; top with whipped topping and strawberries. Replace shortcake tops. Yield: 8 servings.