Sift flour, salt and baking powder. Cut in butter; knead well. On floured board, roll dough to 1/16-inch thick. Cut into 4-inch squares. With rolling pin, roll squares into ovals. Wrap each oval around Cannoli tube. Seal edge with egg white. Fry 2 at a time in 350 degrees oil for 1 to 2 minutes. Hold tubes with chop sticks to drain. Cool for 5 minutes. Careful- ly remove tubes. Makes 12 shells.
Filling: In blender, combine cheese, cream, sugar and vanilla. Fold in chocolate chips. Fill Cannoli shells. Dust with powdered sugar. Garnish with chocolate syrup. Fill 12 shells.