Mix flour, 1 cup butter ... 1 hour. For custard, blend 2/3 cup sugar, ... whites, cream of tartar and 1/4 teaspoon salt until ... meringue is lightly browned.
Combine flour and 1/2 of ... Add cream of tartar to egg whites and other ... 1/2 of the custard. Repeat same process for ... Refrigerate for 8-12 hours.