Preheat the oven to 375 degrees F. Line a large sheet pan with parchment paper.
On a work surface carefully brush a sheet of phyllo with melted butter and sprinkle it with 1 to 2 tablespoons sugar. Cut 6 strips from top to bottom 3 inches wide.
Place a cube of cream cheese, a piece of dried plum, some chopped walnuts, and a piece of candied orange peel at the end of each strip. Fold them into triangles by folding the dough over itself as if folding a flag. Place them on the sheet pan. Brush the tops of the triangles with butter and a final sprinkling with sugar.
Bake for 10 to 12 minutes, until the phyllo is golden brown. Let cool and serve within 6 hours sprinkled with powdered sugar.