Express Sweet Chili Sauce

Sticky, sweet, and mild Asian dipping sauce.

SimmeringStarch Thickening

🎓 AI-Guided Saucier Masterclass

This recipe features interactive Cooking Mode with real-time audio guidance. You can ask our AI master instructor Chef Auguste troubleshooting questions (e.g. "Hey Chef, how do I rescue a split emulsion?") directly during the cooking process.

Origin: Thailand

Best paired with: Spring Rolls, Crispy Tofu, Chicken Wings

Mise en Place

  • 100 ml Water
  • 60 ml Rice Vinegar
  • 80 g Sugar
  • 1 tbsp Sambal Oelek (or Red Pepper Flakes)
  • 1 tsp Cornstarch

Express Sweet Chili Sauce

Sweet Chili Sauce is a staple dipping glaze that is incredibly easy to make at home. Rather than buying store-bought bottles filled with preservatives, you can simmer sugar, rice vinegar, and chili paste, thickening it with a tiny cornstarch slurry in under 10 minutes.

The heat is mild and sweet, courtesy of Sambal Oelek (Asian chili paste) or red pepper flakes. The cornstarch slurry gives the sauce its signature sticky, glossy body, allowing it to coat fried foods beautifully.

History & Origins

Known as 'Nam Chim Kai' (dipping sauce for chicken) in Thailand, it was popularized in the coastal town of Si Racha. It has since become a global fast-food dipping favorite.

The Science

Gelatinization is at play here. Cornstarch consists of amylose and amylopectin molecules. When heated in liquid to 70°C, these starch granules swell and burst, trapping water in a gel network that thickens the sauce instantly.

Technique

Always dissolve the cornstarch in a tablespoon of cold water before adding it to the hot sauce. Adding dry cornstarch directly to hot liquid causes instant clumping.

Common Mistakes

Boiling the sauce too long after adding the cornstarch. Overheating can break down the starch chains, causing the sauce to lose its thickness and turn watery again.

Chef's Notes

Add a finely grated clove of fresh garlic during the simmer for an authentic, savory background note.

Step-by-Step Instructions

  1. Dissolve and Simmer

    In a small saucepan, combine **100 ml Water**, **60 ml Rice Vinegar**, **80 g Sugar**, and **1 tbsp Sambal Oelek**. Bring to a boil, stirring to dissolve sugar.

    5 min
  2. Thicken

    Mix **1 tsp Cornstarch** with 1 tbsp cold water. Whisk this slurry into the simmering sauce. Simmer for 2 minutes until thick and clear.

    5 min