1. In a bowl mix salt, 5 spice powder, sugar, pepper and garlic.
2. Add tofu 1 at a time and turn over to coat evenly.
3. Let stand 1 hour.
4. In a wok, heat oil until smoking.
5. Add tofu and deep fry for 5 minutes until puffy and golden.
6. Drain on paper towels and serve immediately with green onions.