Place butter in mixing bowl. Using whisk attachment, whip butter for two minutes until smooth. Add cream cheese in large pieces and continue to whip until smooth. Add sour cream and whip until mixture ...

To make the pastry, in a bowl, stir together the flour and salt. Add the butter and, using a pastry blender or 2 knives, cut it in until the mixture resembles coarse cornmeal, Add the 2 tablespoons ...