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Oyster Sauce

Thick and savory Chinese sauce made from oysters and soy sauce, perfect for stir-fries and marinades.

Oyster sauce is a rich, savory condiment prepared by simmering oysters with soy sauce, sugar, and water, then thickening with cornstarch to create a glossy, umami-packed sauce.

Updated 4/30/2025
Oyster Sauce

Prep Time

10 min

Cook Time

20 min

Total Time

30 min

Servings

8

Ingredients

  • Oysters - 250 g
  • Cornstarch - 1 tsp
  • Water - 30 ml
  • Water - 200 ml
  • Salt - 1 to taste
  • Sugar - 1 tsp
  • Soy Sauce - 1 tbsp

Directions

  • Step 1

    Rinse and shuck 250 g oysters (reserve the oyster liquor) and chop the oysters coarsely.

  • Step 2

    Combine oysters and 200 ml water in a small saucepan and bring to a gentle simmer over medium heat.

  • Step 3

    Cook for 5 minutes until oysters are cooked and the liquid slightly reduced.

  • Step 4

    Strain the mixture through a fine mesh, pressing to extract all juices, discarding solids.

  • Step 5

    Return the liquid to the saucepan, add 1 tbsp soy sauce, 1 tsp sugar, and salt to taste.

  • Step 6

    Stir in the cornstarch slurry (1 tsp cornstarch mixed with 30 ml water) and simmer 1–2 minutes until thickened.

  • Step 7

    Remove from heat, let cool, and transfer to a clean jar. Store in the refrigerator.

Cook's Notes

For best texture, use fresh oysters and strain the sauce well to remove any solids.

Nutrition Facts (per serving)

15
Calories
0g
Fat
3g
Carbs
1g
Protein