Homemade Sweet and Sour Sauce

Name: Homemade Sweet and Sour Sauce
Prep time: 5 min
Cook time: 10 min
Total time: 15 min
Yield: 1.5 cups
Cuisine: Chinese-American
Ingredients: 1 cup (240 ml) pineapple juice; 1/2 cup (120 ml) water; 1/4 cup (60 ml) ketchup; 1/4 cup (60 ml) rice vinegar; 2 tablespoons (25 g) brown sugar, packed; 1 tablespoon (15 ml) soy sauce; 1 tablespoon (8 g) cornstarch; 1 tablespoon (15 ml) water (for slurry)

★★★★★4.9 (20 reviews)

SaucesChinese-AmericanOctober 4, 2026

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This homemade sweet and sour sauce captures the classic flavor profile found in American Chinese takeout without the preservatives or excessive sodium. The combination of pineapple juice, rice vinegar, and ketchup creates a complex balance of sweet, sour, and umami notes. Cornstarch provides the perfect glossy thickness that coats your favorite proteins or vegetables. The entire process takes only fifteen minutes from start to finish, making it an accessible addition to your home cooking repertoire. You will end up with about one and a half cups of vibrant, flavorful sauce ready for immediate use or storage.

A close-up shot of glossy, amber-colored sweet and sour sauce being poured from a small pitcher onto a plate of crispy fried chicken pieces.

Essential Kitchen Tools

Tool	Purpose
Medium Saucepan	Provides enough surface area for evaporation and even heating without boiling over.
Whisk or Spoon	Used to dissolve sugar and mix the cornstarch slurry to prevent lumps.
Small Bowl	For mixing the cornstarch and water slurry separately before adding to the hot liquid.
Heat-Proof Jar	For storing the finished sauce once it has cooled to room temperature.

Why This Recipe Works

This recipe succeeds because it adheres to the fundamental principles of flavor balance: sweet, sour, salty, and umami. By using pineapple juice as the liquid base, you introduce natural fruit acidity alongside sweetness, which requires less added vinegar than a water-based recipe would. This results in a more complex flavor profile that feels less harsh on the palate. The use of ketchup is a practical shortcut that adds tomato flavor and body, reducing the need for additional sweeteners while contributing to the sauce's signature red-amber hue.

The timing of the cornstarch addition is critical. Adding the slurry only when the sauce is simmering ensures that the starch granules gelatinize properly, resulting in a smooth, stable emulsion. If added to cold liquid, the sauce may thin out upon heating. The brief cooking time allows the flavors to integrate without breaking down the delicate fruit notes in the pineapple juice, preserving the fresh, bright character of the sauce.

For more background on this sauce, see its culinary reference, and general guidance on safe food handling.