Heat oven to 375°F. Lightly grease cookie sheet. Remove dough from can; do not unroll. Split roll in half crosswise at perforation. Unroll half of dough; separate into 4 triangles. With sharp knife, cut remaining half roll of dough into 8 slices.
To form angels, place dough triangles on greased cookie sheet to make angels' bodies. Brush with egg white. Place 1 slice of dough over longest point of each triangle to form angels' heads.
Cut remaining 4 slices of dough in half. Place half slice of dough on each side of triangles, rounded side against triangle side, to form wings. Brush heads and wings with egg white. Sprinkle with sugar.
Bake at 375°F. for 9 to 12 minutes or until golden brown. Immediately remove from cookie sheet. Serve warm.