1. Toss shrimp with salt, add wine or sherry and marinate for at least 20 minutes or up to 3 hours.
2. Drain shrimp; reserve marinade.
3. Heat large skillet or wok over high heat; add oil.
4. Add ginger & crushed red pepper, stir-fry until fragrant, and add shrimp.
5. Stir-fry until shrimp are mostly opaque (2 to 4 minutes, depending on size).
6. Add snow peas and water chestnuts; stir-fry until just heated through.
7. Add reserved marinade, soy sauce and cornstarch mixture.
8. Bring to a boil and cook until liquid thickens.
9. Serve immediately, accompanied by steamed rice.