Cook Do®
Oyster Sauce
Blended with two types of oyster extracts using a unique manufacturing method.
Rich and mellow umami elevates dishes to the next level.
Ajinomoto’s “Cook Do® Oyster Sauce” is an authentic Chinese seasoning that blends two types of oyster extracts with a unique manufacturing method. It condenses the rich umami and richness of oysters, adding depth and flavor to dishes with just a small amount. Its moderate thickness blends well with ingredients, making it useful for stir-fry, simmered dishes, dressed dishes, sauces, and more.
A versatile seasoning treasured not only for Chinese cuisine but also as a hidden flavor in Japanese and Western dishes. When you want to make your dish more delicious, just add a spoonful of Cook Do® Oyster Sauce to get closer to a professional taste. Chosen by those who want to make everyday cooking easier and tastier.
Blend of two types of oyster extract
Unique Manufacturing MethodBlending two types of oyster extracts with a unique method creates complex layers of richness and umami that cannot be achieved with a single extract.
Rich and mellow taste
Depth of UmamiConcentrated rich oyster umami that is mild and free of strong odors. Enhances the flavor of ingredients while boosting the overall richness of the dish.
Moderate thickness that blends well with ingredients
ThicknessModerate thickness adheres well to ingredients like meat, vegetables, and seafood, distributing flavor evenly. Designed for easy use in both stir-fry and simmered dishes.
Widely used in Chinese, Japanese, and Western cuisine
All-purpose seasoningNot only for Chinese dishes like green pepper steak and twice-cooked pork, but also useful as a hidden flavor in Japanese simmered dishes and Western sauces. Having one bottle expands your cooking possibilities.
| Ingredients | Role and Characteristics | Category |
|---|---|---|
| Two types of oyster extract | Rich umami and richness derived from oysters | Main Ingredients |
| Sugar | Adds mild sweetness and enhances umami | Sweetener |
| Salt | Adjust flavor and tighten overall taste | Seasoning |
| Wheat Powder | Adds thickness and improves blending with ingredients | Thickener |
| Soy sauce | Enhance richness and color | Seasoning |
| Seasoning (amino acids, etc.) | Enhance umami and balance overall flavor | Additives |
* Allergens: wheat, soybeans, oysters (contained in some ingredients). Please check the ingredient list on the back of the package for details.
“Cook Do®” is a brand of Chinese seasoning sauces developed by Ajinomoto Co., Inc. Since its launch in 1978, under the concept of “authentic Chinese cuisine made easy at home,” it has delivered authentic flavors used by professional chefs to Japanese home tables. It is a trusted brand supporting Japanese home cooking with a wide lineup including dishes like green pepper steak, twice-cooked pork, and mapo tofu.
“Cook Do® Oyster Sauce” is positioned as a highly versatile basic seasoning within the Cook Do series. Utilizing Ajinomoto’s long-cultivated umami research technology, it blends two types of oyster extracts with a unique manufacturing method. It pursues professional-quality taste that allows you to recreate authentic Chinese flavors at home.
- Avoid direct sunlight, high temperature, and humidity; store in a cool place.
- Store in the refrigerator after opening and use promptly.
- Make sure to close the cap tightly after use.
- Please check the expiration date printed on the package.
- This product contains wheat, soybeans, and oysters. Please be cautious if you have allergies.
- Store in the refrigerator after opening and use promptly.
- Keep out of reach of infants and young children.
- This product may not suit everyone depending on constitution or physical condition. Please discontinue use if you feel any abnormalities.













































































