To Make Marinade: Combine 1 tablespoon cooking wine, 1 tablespoon soy sauce, 1 tablespoon oil and 1 tablespoon cornstarch/water mixture and mix together. Place tofu in a glass dish or bowl and add marinade. Toss to coat. Cover dish and place in refrigerator for about 30 minutes.
To Make Sauce: In a small bowl combine 1 tablespoon wine, 1 tablespoon soy sauce, 1 tablespoon oil, 1 tablespoon cornstarch/water mixture, chili paste, vinegar and sugar. Mix together and add green onion, garlic, water chestnuts and peanuts. In a medium skillet, heat sauce slowly until aromatic.
Meanwhile, remove Tofu from marinade and sauté in a large skillet until tofu is cooked and sauce is thickening.