How To Make Sweet and Sour Tofu at Home. This Recipe is made of Fried Tofu / Tokwa topped wih Sweet and Sour Sauce made of Vinegar, Sugar, Ketchup, Pineapple Juice, Water, Cornstarch with Pineapple bits , Onion, Red and Green bell pepper. Ingredients: 4 -5 pieces Tofu 200 grams Pineapple Tidbits 1 piece Red Bell Pepper 1 Piece Green Bell Pepper 1/4 Cup Vinegar 1/4 Cup Sugar 1/4 Cup Water 1 Tablespoon Oyster Sauce 3 Tablespoon Ketchup 1 Piece Onion 1/2 Tablespoon Cornstarch Black Pepper Cooking O