1. In a mixing bowl, combine flour, sugar, egg, vegetable oil, red wine, and milk to form a dough. Roll out thin and cut into circles.
2. Wrap dough circles around cannoli tubes, sealing with egg white, and fry until golden brown. Remove and cool.
3. In another bowl, mix ricotta, powdered sugar, and cinnamon. Fold in chocolate chips and pistachios if desired.
4. Fill the cooled shells with ricotta mixture, dust with powdered sugar, and serve.