Kim Dae-seok's Universal Onion Soy Sauce

Name: Kim Dae-seok's Universal Onion Soy Sauce
Cook time: 600 min
Total time: 600 min
Yield: 1 servings
Cuisine: Korean
Ingredients: Onion 1kg; Premium soy sauce about 1L

Dry thinly sliced onions until completely dehydrated, then age them in soy sauce to enhance umami and sweetness, creating a versatile seasoning sauce.

10 hr Difficulty Easy Sauces & basics

Main ingredients

OnionPremium soy sauce

Ingredients needed 1 servings

Onion 1kg

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Onion Premium soy sauce

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Premium soy sauce about 1L

Recipe

Cut onions in half, then slice thinly into strips, ensuring they are thin enough to dry thoroughly in the dehydrator.
Separate the onion strips into individual strands and evenly spread them on the dehydrator tray without overlapping.
Set the dehydrator temperature to 60 degrees Celsius and dry for a total of 10 hours. Rotate the trays halfway through to ensure even drying.
Transfer the fully dried onions into airtight containers, dividing them as needed.
Pour premium soy sauce into the containers with the dried onions until fully submerged.
Seal the containers and let sit at room temperature for 10 days to age.

Slice onions thinly, separate into strands, and spread evenly on dehydrator trays.
Dry at 60 degrees Celsius for 10 hours until completely dehydrated.
Place dried onions in a container, cover with premium soy sauce, and age at room temperature for 10 days.

Cooking tips

Avoid drying onions at temperatures above 70 degrees Celsius, as they may turn yellow; always dry slowly below 60 degrees for optimal aroma and color.
After 10 days of aging, do not discard the remaining crisp dried onion solids—chop finely and use them as a flavorful ingredient in stir-fries or braised dishes.
Some of the solids can be mixed with gochujang, water syrup, minced garlic, sesame oil, and toasted sesame seeds to make a delicious side dish for rice.

Recommended for

Those who want to easily achieve deep umami flavor in every meal.
People looking to store excess onions long-term while using them productively.
Anyone seeking a versatile soy sauce for braising, stir-frying, and various other cooking methods.

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