Unlock the Secret to Delicious Fish Cake Stir-Fry: Step-by-Step Recipe for Beginners!

Daniel Kim | 2026.04.01

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Fish cakes—the friendly ingredient that greets you when you open the fridge—can transform an ordinary meal into a restaurant-worthy side in minutes.

   Stir-frying fish cakes / AI-generated image based on the article
  Stir-frying fish cakes / AI-generated image based on the article
When shishito peppers are in season and still crisp, tossing them with fish cakes adds a bright, peppery bite that cuts through the richness—creating a magical \"rice-stealer\" side dish that might have you polishing off a whole bowl of rice.

Even cooking beginners shouldn’t be intimidated—basic pantry seasonings deliver depth that rivals a pro. Give it a try tonight: serve a warm, homemade pan of stir-fried fish cakes to your family and enjoy a cozy, satisfying meal together.

   Slicing fish cake / YouTube \'Chef Kim Dae-seok TV\'
  Slicing fish cake / YouTube 'Chef Kim Dae-seok TV'
According to the YouTube channel Chef Kim Dae-seok TV, the recipe is simple. Start with five sheets of fish cake (200 g, about 7.1 oz). Slice each sheet lengthwise into 1.5 cm (about 0.6 in) strips so they’re easier to eat.

Next, prep the vegetables. Slice half an onion into slightly chunky strips. Thinly slice five garlic cloves, and halve 15 shishito peppers.

   Stir-frying shishito peppers / YouTube \'Chef Kim Dae-seok TV\'
  Stir-frying shishito peppers / YouTube 'Chef Kim Dae-seok TV'
Heat a pan with one tablespoon of cooking oil and add the shishito peppers. Stir-fry them briefly, then add 1/2 tablespoon of anchovy fish sauce—this helps season the peppers and boosts umami.

When the peppers are lightly cooked, add the prepared onion and garlic and continue stir-frying over medium heat.

After about a minute, add the sliced fish cakes. Pour in two tablespoons of mirin, one tablespoon of dark soy sauce, and two tablespoons of water to prevent sticking. Add two tablespoons of chili oil and one tablespoon of oyster sauce to deepen the flavor.

   Adding onion syrup to stir-fried fish cakes / YouTube \'Chef Kim Dae-seok TV\'
  Adding onion syrup to stir-fried fish cakes / YouTube 'Chef Kim Dae-seok TV'
Finally, the recipe’s secret weapon arrives. After about two minutes of frying, stir in two tablespoons of onion syrup. The syrup brings out the fish cakes’ deeper flavors. If you don’t have onion syrup, substitute corn syrup.

Lower the heat to medium-low after adding the syrup. When the dish is almost done, toss in a tablespoon of toasted sesame seeds if you like, turn off the heat, and mix everything together. You’ll end up with a delicious shishito-and-fish-cake stir-fry that’s widely appealing.

    Delicious stir-fried fish cakes / AI-generated image based on the article
  Delicious stir-fried fish cakes / AI-generated image based on the article
◆ Why use onion syrup

The key ingredient, onion syrup, is made by marinating equal parts onion and sugar and letting it mature. It tenderizes meat, removes fishy odors from seafood, and adds a glossy finish to braised dishes when used instead of corn syrup. Onion syrup may also introduce beneficial microbes that aid digestion. If you don’t have it on hand, mix a small amount of minced onion juice into oligosaccharide syrup for a similar effect.

The recipe’s star vegetable, shishito peppers, is rich in vitamin C, which helps the body absorb the protein in fish cakes. Their capsaicin can also boost metabolism. When fried in oil, the peppers’ beta-carotene—an oil-soluble nutrient—becomes easier to absorb. Slowly stir-frying these vegetables over medium heat releases fragrant flavored oil and maximizes the fish cakes’ savory profile.

     [Cartoon] Single-panel comic based on the article / Wikitree
  [Cartoon] Single-panel comic based on the article / Wikitree
◆ Precautions when cooking fish cake

Many fish cakes are fried during production, so they can retain oxidized oils or additives on the surface. For a cleaner taste, briefly rinse the fish cakes with hot water in a sieve before cooking.

   [Cartoon] Single-panel comic based on the article / Wikitree
  [Cartoon] Single-panel comic based on the article / Wikitree
This quick rinse helps the seasoning penetrate instead of sit on the surface. Because fish cakes are high in protein and starch and can spoil quickly at room temperature, store them in an airtight container in the refrigerator after purchase and eat them within three days of opening.

How to use leftover fish cake

To store partially used fish cakes, lightly brush the surface with cooking oil and place them in an airtight container to prevent moisture loss and hardening. If frozen fish cake has dried out, soak it for about 10 minutes in lukewarm water with one tablespoon of sugar; osmotic absorption will help rehydrate them and restore a bouncy texture.

     [Cartoon] Single-panel comic based on the article / Wikitree
  [Cartoon] Single-panel comic based on the article / Wikitree

You can also reinvent leftovers into new dishes. Slice remaining fish cake into thin strips about 0.3 cm (about 0.12 in) wide and blanch briefly in boiling water to make excellent fish-cake “noodles.” Use them in place of somyeon (thin wheat noodles) in cold noodle bowls, or toss them in a spicy bibim sauce for a fun twist. Replacing rice cakes with fish-cake noodles in tteokbokki creates a chewier, more textural experience.

“Fish cake japchae,” which swaps glass noodles for fish cake, cooks quickly and offers a unique chew. Julienne fish cake, onion, carrot, and bell pepper to similar thicknesses, then quickly stir-fry them in a soy-based sauce. Because you don’t need to soak anything, fish-cake japchae is great for lunchboxes. You can also use blanched whole fish cake as a wrap instead of seaweed or lettuce—fill it with vegetables and meat for a flavorful bite without extra seasoning. Wrapping marinated thinly sliced pork belly in thin square fish cake, rolling it, and grilling it makes a tasty “fish cake roll grill.”

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