1. Shell and devein shrimp; mince or grind with pork. Then blend in sherry, soy sauce, sugar and salt.
2. Blend cornstarch and cold water to a paste. Add to shrimp mixture, mixing well. Form into walnut-size balls; then flatten each slightly.
3. Heat oil. Brown shrimp balls lightly on all sides.
4. Add remaining water and cook, covered, over medium heat, turning several times, until done