Unlock the Magic of Shio Koji: The Ultimate Japanese Marinade

Dive into the world of umami with this easy-to-make shio koji recipe. This ancient Japanese marinade will revolutionize your cooking, infusing meats, fish, and vegetables with incredible depth and flavor.
What is Shio Koji?
Shio koji is a powerhouse ingredient that combines rice koji (rice inoculated with Aspergillus oryzae mold), salt, and water. This fermented mixture creates a flavor-packed marinade that tenderizes proteins and amplifies the natural taste of foods.
Why You’ll Love This Shio Koji Recipe
- Simple ingredients, complex flavors
- Versatile: Use on meats, fish, vegetables, and more
- Enhances umami in any dish
- Long shelf life: Keeps for months in the fridge
Ingredients
- 1 2/3 cups (300g) firm granular rice koji
- 7 tablespoons (75g) Diamond Crystal kosher salt
- 1 2/3 cups (400g; 400ml) water
Step-by-Step Instructions
- In a clean container with a lid, mix the rice koji and salt. Break up any clumps using your hands or a spoon. Pour in the water and stir until everything is well combined and the salt has completely dissolved. This should take about 30 seconds.
- Cover the container and let the mixture ferment at room temperature. Stir once daily. After 7-10 days, your shio koji will have thickened and developed a sweet, funky aroma. At this point, it’s ready! Transfer to the refrigerator until you’re ready to use it in your cooking adventures.
Pro Tips for Perfect Shio Koji
- Use high-quality rice koji for the best flavor
- Stir daily to ensure even fermentation
- Trust your nose – the sweet, funky smell indicates it’s ready
- Store in an airtight container in the fridge for up to 10 months
Nutrition Facts
Nutrition Facts (per serving) | |
---|---|
12 | Calories |
0g | Fat |
3g | Carbs |
0g | Protein |
Nutrition Facts | |
---|---|
Servings: 32 | |
Amount per serving | |
Calories | 12 |
% Daily Value* | |
Total Fat 0g | 0% |
Saturated Fat 0g | 0% |
Cholesterol 0mg | 0% |
Sodium 909mg | 40% |
Total Carbohydrate 3g | 1% |
Dietary Fiber 0g | 0% |
Total Sugars 0g | |
Protein 0g | |
Vitamin C 0mg | 0% |
Calcium 2mg | 0% |
Iron 0mg | 0% |
Potassium 3mg | 0% |
*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. |