To make a delicious and appetizing meal, the Sweet and Sour Recipe Sauce Recipe must have the Basic Ingredients of Pineapple Juice, Vinegar, Ketchup (for color and taste, of course!), Brown sugar, salt, cornstarch, oil and bell peppers; all these ingredients when mixed together create a sweet and sour sauce that tastes just right because it has enough amount of acid, sugar, and salt.