powdered milk baking powder sugar cream of tartar Put the cold butter and shortening ... Use a 2½-inch round cutter to cut out biscuits. Gather the scraps and cut out more biscuits.

Using a biscuit cutter or a template cut into ... and mix for a minute. Add the cream of tartar and mix for 45 seconds. Slowly add the icing sugar and beat for 10 minutes on a slow speed (you ...

Always start with all of your ingredients at room temperature. In warmer kitchens it may help to add a pinch of cream of tartar to your buttercream to help firm up or ‘stabilise’ it.