Shio-koji (salt koji)   

   

Shoyu-koji (soy sauce koji)

   

Sakekasu (sake lees) 

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Shio-koji and shoyu-koji are amazing cooking materials and condiments. They tenderize meats and induce umami in many foods. Some recipes using Shio-koji are written below. Uses of shoyu-koji Shio-koji are interchangeable.  Koji is available at Japanese groceries or online (can be found easily in Amazon). Koji, however, can be made at home by following the instruction in Handbook of Making Sake, Shochu, Koji, Amazake, Miso, Natto, Mirin and More: Foundation of Japanese Foods.

 

How to Make Shio-koji (salt koji)

 

Materials

Dried koji 1 cup (130g, 4.5oz)

Water 1 cup (220 cc)

Salt 2 tablespoon (40g, 1.4 oz)

 

Mix well all the materials and save in a glass or plastic container. Wait for 7 to 10 days. Thereafter, Shio-koji is ready to use in cooking. The left photo on the top of this page illustrates the Shio-koji made in this way. 

    

If a small high speed food processor as illustrated above is available, put all the material in the food processor, and turn it by a few strokes. The result is much smoother as shown in the photo below.

 

 Shio-koji prepared with a high speed food processor

 

Any different amount of Shio-koji may be made as long as the ratio of the three materials is kept the same as above.

 

Shoyu-koji (soy sauce koji)

 

Materials

Dried koji 1 cup (130g, 4.5oz)

Soy sauce 1 cup

 

Mix well the materials and save in a glass or plastic container. Wait for 7 to 10 days. Then, shoyu-koji is ready to use in cooking. Shoyu-koji may be prepared using a small high speed food processor.

 

Cooking recipes using shio-koji and shoyu-koji

 

Shio-koji fried chicken

Materials for 2 servings

Chicken breast 1, cut to bite size

Shio-koji 1 tablespoon

Grated jinger ¼ teaspoon

Corn starch 2 tablespoon

Cooking

Put chicken pieces, jinger and shokoji into a plastic bag. Rub chicken pieces with Shio-koji and jinger well.

 

Leave the plastic bag at room temperature for 4 hours. Take the chicken pieces from the bag and coat with cornstarch.

 

Fry the chicken pieces in vegetable oil slowly at medium oil temperature until brown. Garnish the fried chicken with cresson or parsley.

         

 

Shio-koji boiled eggs

Put a few raw eggs in a ziplock bag. Add 1 teaspoon of Shio-koji per one egg, add 1 tablespoon of water per one egg. Seal the lock and leave in refregirator for 3 days (rotate the eggs once a day) and boil.

                       

 

Shio-koji pork

Materials

A block of pork (round, belly, or loin ) 1 Lb

Shio-koji 2 tablespoon

Mustard seeds 1 tablespoon

 

Put all the materials in a ziplock bag which is twice as large as the pork block. Rub the pork with Shio-koji and mustard from outside of the bag. Keep the bag in refrigerator for a few hours.

 

Put bag into a rice cooker and set it for warming. Keep the top of the ziplock at the top so no water of the rice cooker comes in. Pour hot water to the rice cooker around the bag, and turn on the cooker.  Ziplock bags are safe for this way of cooking. The temperature must be around 140 ~ 160 degrees F. Keep heating for 4 hours.

 

If no rice cooker is available, the low temperature cooking is possible on the smallest ring of an electric kitchen stove at the lowest setting. Make sure the temperature of water with a thermometer.

 

Another approach is to use a slow cooker if available.  At the low setting of heating, the temperature should be around 140 ~ 160 degrees F.  If the temperature is higher than this range, remove the lid but cover the top partially by aluminum foil. By adjusting opening of the aluminum foil, the desired temperature can be achieved.

 

 

The photo on the left above illustrates a double boiler using metal bowls placed on the smallest kitchen stove. The 1 LB pork belly marinated with Shio-koji in a ziplock bag was soaked in the inner bowl with the ziplock unlocked. The stove was set at the lowest temperature. The double boiler was covered with an aluminum sheet as a lid. Temperature inside the inner bowl was about 160 degrees F.  The finished Shio-koji pork is illustrated on the right photograph above, which was delicious with right saltiness.

 

Instant radish-carrot pickles with Shio-koji

Cut white radish (daikon) and carrot to bite size cubic sticks. Put one cup of mixed radish and carrot sticks in a serving dish. Add one teaspoon of Shio-koji. Serve immediately. It can be preserved in refrigerator for a few days. If too salty, add more radish and carrot sticks.

 

Shio-koji samon sauté

Cut red salmon to bite size or about 3 oz each. Coat each of salmon piece with ½ teaspoon of Shio-koji, and keep in refrigerator at least four hours. Then sauté.

 

Marinating beef steak with shio-koji

Why is cheap beef cheap? It is not because cheap beef is less tasty, but it is hard. If the hard beef can be tenderized, it can make a good steak at a low cost. One effect of koji is to induce umami. Another effect is to tenderize meat because koji has enzymes named proteases and amylases, the latter of which break down collagen. Collagen is a connecting tissue in the meat and makes the meat hard.  To marinate meat with Shio-koji, add 2 tablespoon Shio-koji per LB of beef in a plastic bag and run and keep in refrigerator for 1 to 2 days, and then cook to make a steak. However, do not cook immediately after taking out from refrigerator.  Before cooking any steak, raise the temperature of the meat to 80 ~ 100 degrees F and keep at that temperature for a few hours.

 

This works to any beef including an expensive beef of course.  For a tender beef, the time of marinating can be shorter just to give umami.

 

Shio-koji burger

Burger is essentially steak of ground beef. Therefore marinating beef described in the prior section applies. Mix 1 tablespoon Shio-koji with 1 Lb ground beef and keep at 80 up to 100 degrees for a few hours before cooking as a burger. 

 

Shio-koji chicken sauté 

Put two chicken thighs and 2 teaspoons of Shio-koji into a plastic bag. Rub the surface of chicken with Shio-koji, and leave the bag at the room temperature, or at 80-100 degrees F if possible, for a few hours. Saute the chicken in a frying pan with medium heat until brown

 

Recipes of using shoyu-koji

All the recipes described above using Shio-koji applies to shoyu koji by substituting Shio-koji by shoyu-koji, giving another good flavor.

 

Shoyu-koji Boiled Eggs     

Exactly same as Shio-koji boiled egg, except shoyu-koji is used in place of Shio-koji.

 

                      

 

Sakekasu Recipes

(See the rightmost photo of sakekasu at the top of this page.)

 

Sakekasu contains high concentrations of vital amino acids, proteins, minerals, and vitamins.  Sakekasu exfoliates and hydrates skin. The major beneficial components of sakekasu are as follows. It contains vitamin B6 which is antioxidant, relieves muscle and arthritis pain, skin protectant.  It contains folic acid which promotes cell division and repair, particularly skin and reproductive cells, anti-anemic, stimulates immune function. For skin care, soften sakekasu with the same amount of water, and smear on the face, or, other skin with scratches and freckles.   When sakekasu is eaten, it  lowers the risk of diabetes, heart disease, and gastrointestinal disorders, improves nutrient absorption, and promotes immune function.

 

Eating small amount of sakekasu ( 1Tsp) a day will make you longevity much longer. How to eat is a good question, but there are some basic thoughts to answer. First, try to cook foods passively with sakekasu, for example, marinating fish and meats with sakekasu, second, eat sakekasu positively by mixing small amount of sakekasu as a part of ingredient in any cooking, for example, mixing sakekasu in cheese cake, mixing sakekasu in salad dressing, and making a sweet drink with sakekasu.

 

Quick sakekasu amazake (hot drink)

Materials

1 oz (30g) sakekasu

3/4 cup (150 ml ) water

1 tablespoon sugar

A pinch of salt (optional, helps to draw out the sweetness)

A pinch of grated fresh ginger to taste

If a small fast speed food processor is available, put all in it and turn until sakakasu is well  solved in the water. Heat the mixture in the microwave for 40 seconds.

 

Without the food processor, put sakekasu and water in a cup, heat in the microwave for 40 seconds, then break sakekasu until it becomes well solved in water. Add the rest of materials.

 

Sakekasu marinade

Materials

1 cup sakekasu

½ cup sake

2 taablespoon brown sugar

½ cup miso

½ cup water

The best way of mixing sakekasu in sake is to put both in a small high speed food precessor, and turn with short strokes. Otherwise, add sakekasu to a bowl and warmed sake. Using a folk, cut sakekasu into small pieces and melt using a hand mixer. After sakekasu is well mixed with sake, add all other materials and mix well, and the marinade can be used immediately.

 

Marinate fish, pork, beef, and chicken by coating each side with 1/8 inch thick sakekau marinade. Keep the marinated material for a few days in refrigerator, Then, saute them, or broil. The taste of the meats sill be amazing.

 

Salmon Sakekasu Soup

The best way to serve this dish is to cook in casserole (ceramic or terra cotta, or metal) pan on a portable electric heater placed at the center of dining table. It can be also cooked on the kitchen stove top and served as a bowl of soup.

 

          

 

Materials

Main ingredients

1 Lb salmon  fillets lightly-salted salmon cut to about 2 Oz each (16 pieces)

4 inch long large white radish  (daikon ), cut to bite size

1 medium sized carrot, cut to bite size

1/2 burdock root, cut to bite size

1 konnyaku, cut to bite size

4 inch long  white part of a Japanese green onion, cut to bite size

Soup

1+ ½ pound  package Sakekasu (1 pack), chopped into small pieces before cooking

¼ cup sake (50 cc) 

2 tbsp soy sauce

2 tbsp miso

1200 cc  dashi stock  ( or 6 cup water with 6 tsp of dashino-kona, Hondashi)

Soup topping

1 Green onion, finely chopped

 

Put all the materials in the pan and cook at medium heat until the vegetables become tender.  If foam floats on the top of the soup, remove it gently by a radle.

 

                   

 

The left photograph illustrates the materials for sakekasu soup (1/3 portion of the recipe), where no gobo and konyaku are used because they were not available at the time but bamboo shoot and shiitake are added. Also shio-koji-marinated salmon is used instead of salted salmon.  The materials can be changed flexibly.