Shoyu ramen — soy sauce ramen — is the style most home cooks attempt first, and for good reason: a clear, amber-colored bowl of soy-scented chicken broth feels approachable while still tasting unmistakably like a real ramen shop. The secret is not a single special ingredient but a two-component system every professional kitchen uses: a neutral chintan chicken broth and a concentrated soy-based seasoning called kaeshi (also called tare). Once you have those two components in the fridge, any bowl is just minutes away.

This recipe covers the Tokyo-style roots of shoyu ramen, the Asahikawa cold-weather variation from Hokkaido, the golden ratio for kaeshi, and a practical guide to storing and reusing both the tare and your chashu braising liquid so nothing goes to waste.

Allergen notice
This recipe contains wheat (ramen noodles, soy sauce) and soy (soy sauce, mirin). For a gluten-free version, substitute tamari or coconut aminos for the soy sauce, and use certified gluten-free noodles. See the FAQ section below for details.

What you’ll learn in this article

• How Tokyo-style and Asahikawa-style shoyu ramen differ — and which to make at home
• A step-by-step chicken chintan broth shared with the shio ramen recipe (make once, use twice)
• The 4:2:1 golden ratio for shoyu tare with niboshi and kombu
• Assembly order for a restaurant-quality bowl in under 10 minutes
• How to store kaeshi for up to 3 months and combine it with chashu braising liquid

What Is Shoyu Ramen?

Shoyu ramen traces its roots to Tokyo in the early twentieth century, when Chinese cooks brought their wheat-noodle soup to Japan. Tokyo-style shoyu ramen — often called chuka soba or simply “Tokyo ramen” — is defined by its crystalline, amber broth: chicken stock seasoned with a blend of soy sauce, mirin, and sake, never clouded by vigorous boiling. The noodles are thin and slightly wavy, and the classic toppings are chashu pork, bamboo shoots (menma), green onion, and a sheet of nori.

The regional landscape of shoyu ramen is wide. Three styles you may encounter:

This recipe produces the Tokyo-style bowl: a clear, golden chintan broth seasoned with a niboshi-kombu shoyu tare. It is the most versatile starting point — once you master it, adapting toward Asahikawa style is simply a matter of adding a spoonful of rendered pork fat.

Shared chintan base
The chicken broth in this recipe is identical to the base used in the shio ramen spoke article. Make a double batch and you have the foundation for two different bowls from a single afternoon of cooking.

Ingredients (2 servings)

For the Chicken Chintan Broth

• 700 g (1.5 lb) chicken wings or bone-in chicken thighs
• 1.5 liters (6 cups / 50 fl oz) cold water
• 1 small leek or 2 green onion stalks (white and light green parts)
• 3 slices fresh ginger (about 10 g / 0.35 oz)
• 2 cloves garlic, lightly crushed
• 15 g (0.5 oz) katsuobushi (dried bonito flakes) — optional for extra umami depth

For the Shoyu Tare (Kaeshi)

Makes enough for 8–10 bowls. Store in the fridge and use as needed.

• 120 ml (½ cup / 4 fl oz) dark Japanese soy sauce (koikuchi shoyu)
• 60 ml (¼ cup / 2 fl oz) mirin
• 30 ml (2 Tbsp) sake (or dry white wine)
• 1 tsp granulated sugar
• 5 g (0.2 oz) niboshi (dried baby anchovies), rinsed — heads and dark bellies removed if bitter
• 5 cm (2 inch) piece of kombu (dried kelp)
• 1 tsp toasted sesame oil (added after cooking, off heat)

For Assembly (per bowl)

• 100–120 g (3.5–4.2 oz) fresh or dried ramen noodles per serving
• 300–360 ml (1¼–1½ cups) finished chicken broth, heated
• 2–3 Tbsp shoyu tare (start with 2, adjust to taste)
• Toppings: 2–3 slices chashu pork, 1 ramen egg (ajitsuke tamago), bamboo shoots (menma), green onion, nori, fish cake (narutomaki) — all optional

Allergen reminder
Soy sauce and standard ramen noodles both contain wheat and soy. If cooking for someone with a wheat allergy, substitute tamari (gluten-free certified) for the soy sauce and use rice noodles or a verified GF ramen brand.

Chicken Broth (Tori Chintan)

The defining characteristic of chintan broth is its clarity. The technique is simple: keep the temperature below a rolling boil so that proteins stay in solid form and can be easily skimmed away, rather than emulsifying into a cloudy suspension. Two to three hours of patient simmering is enough.

Step 1: Blanch and rinse the chicken

Place the chicken pieces in a pot, cover with cold water, and bring to a boil over high heat. Boil for 2–3 minutes — you will see gray scum rise. Drain immediately, then rinse each piece under cold running water and scrub away any dark bits with your fingers. This blanching step is the single most important action for a clean-tasting, clear broth.

Wings vs. backs
Chicken wings give a gelatinous, slightly richer broth because of the high collagen content in the skin and cartilage. Bone-in thighs add more savory chicken flavor. A 50/50 mix of wings and thighs produces the most balanced result.

Step 2: Build the broth

Return the rinsed chicken to a clean pot. Add the 1.5 liters of cold water, leek, ginger, and garlic. Bring to a gentle simmer over medium heat — you should see wisps of steam and occasional small bubbles, never a full rolling boil. Skim any remaining foam with a fine-mesh skimmer during the first 15 minutes.

Step 3: Simmer low and slow

Reduce heat to the lowest setting that maintains a bare simmer (roughly 85–90 °C / 185–195 °F if you have a thermometer). Simmer uncovered for 2 hours, skimming any fat that pools on the surface every 30 minutes. If using katsuobushi, add it in the last 10 minutes of simmering and then strain immediately — extended steeping makes the broth bitter.

Do not boil
Sustained boiling breaks fat into tiny droplets that emulsify permanently into the broth, turning it milky white. Once the broth goes cloudy, there is no way to reverse it. If clarity matters to you, keep the heat low throughout.

Step 4: Strain and cool

Pour the finished broth through a fine-mesh strainer into a clean container. Discard solids. You should have about 900 ml–1 liter (roughly 4 cups) of golden broth. Let it cool to room temperature, then refrigerate. A thick layer of fat will solidify on top overnight — scrape it off before reheating, or leave a thin layer for richer flavor.

Soy Tare (Kaeshi) — The 4:2:1 Golden Ratio

Kaeshi is the soul of shoyu ramen. Professional shops guard their kaeshi recipes carefully, but the underlying logic is a simple ratio. The most widely used home-cook proportion is 4 parts soy sauce : 2 parts mirin : 1 part sake. This balance gives you the savory depth of soy, the gentle sweetness of mirin, and the alcohol lift of sake — all in one concentrated seasoning you can adjust bowl by bowl.

The niboshi and kombu step below is optional but strongly recommended: a 20-minute cold steep costs almost no effort and adds a layer of marine umami that distinguishes a truly restaurant-quality tare from a simple mix of condiments.

Step 1: Cold-steep the umami boosters

Combine the soy sauce, mirin, sake, and sugar in a small saucepan. Add the niboshi and kombu. Let them soak at room temperature for 20 minutes (or overnight in the fridge for a deeper result). The kombu releases glutamates into the liquid; the niboshi adds inosinates — together they create synergistic umami far beyond either alone.

Niboshi prep tip
Niboshi (dried baby anchovies) can taste bitter if the head and dark intestinal strip are left intact. Simply snap off the head and peel back the belly — the white flesh underneath is mild and sweet. Removing them is a two-second step per fish that noticeably reduces bitterness.

Step 2: Warm and reduce gently

Place the saucepan over medium-low heat. Warm the liquid until it just begins to steam and small bubbles appear around the edges — do not boil. The mirin contains alcohol, and bringing it to just below a simmer for 5 minutes drives off the harsh raw-alcohol note while preserving the delicate sweetness. Remove from heat when the volume has reduced by about 10%.

Step 3: Remove solids and add sesame oil

Strain the tare through a fine-mesh strainer, pressing the niboshi gently to extract the last of their flavor. Discard the solids. While the liquid is still warm but off the heat, stir in 1 teaspoon of toasted sesame oil. This finishing oil adds fragrance and a glossy surface sheen to the final bowl.

Tare is intensely salty
Two tablespoons of shoyu tare is the starting point for a 300–360 ml bowl of broth. Taste before serving — the correct proportion is a broth that tastes like well-seasoned soup, not like diluted soy sauce. Add tare in the bowl, not in the pot, so each serving can be individually adjusted.

The soy sauce you choose matters

Standard supermarket dark soy sauce (Kikkoman or equivalent) produces a reliable, clean kaeshi. For a more complex tare with notes of caramel and wine, try a traditionally barrel-aged shoyu. The flavor difference is especially noticeable because the tare is added in concentrated form.

Assembly

Good ramen assembly is about sequencing. The bowl is warmed first, the tare goes in, the hot broth is poured over — then the noodles, then the toppings. This order ensures the tare mixes evenly before the noodles hit.

Step 1: Warm the bowl

Fill your serving bowl with boiling water and let it sit for 60 seconds. Pour out the water just before assembly. A cold bowl drops the broth temperature quickly; warming it keeps the bowl piping hot for 10 minutes longer.

Bowl size
A proper ramen bowl holds at least 700–900 ml (24–30 fl oz). Smaller bowls result in broth overflow when you add noodles. The pillar guide lists recommended bowl sizes and links to Japanese-style ramen bowl sets.

Step 2: Add tare and pour broth

Add 2 tablespoons of shoyu tare to the warmed bowl. Bring your chicken broth to a rolling boil in a separate pot, then pour 300–360 ml (about 1¼–1½ cups) directly over the tare. Stir with chopsticks or a spoon for 5 seconds to combine. Taste: it should be savory and well-seasoned but not overwhelming. Add a third tablespoon of tare if needed.

Step 3: Cook and add noodles

Cook ramen noodles in a separate large pot of unsalted boiling water according to the package directions — usually 60–90 seconds for fresh noodles, 3–4 minutes for dried. Drain immediately and transfer to the bowl in one smooth motion. Avoid rinsing the noodles: the light starch coating on their surface helps the broth cling to them.

Speed matters
Ramen noodles continue cooking in residual heat after they leave the pot. If you are slow to assemble, noodles will go from perfectly chewy to mushy within two to three minutes. Have all toppings sliced and ready before you start cooking the noodles.

Step 4: Add toppings and serve immediately

Arrange toppings on top of the noodles: chashu slices fanned across one side, a halved ramen egg, a portion of bamboo shoots, sliced green onion, and a sheet of nori leaning against the bowl edge. A few drops of chili oil or a pinch of white pepper finish the bowl. Serve at once — ramen waits for nobody.

Storing & Reusing Kaeshi

One of the most practical habits you can build as a home ramen cook is treating kaeshi as a pantry staple rather than a one-time preparation. A batch made with the proportions above contains enough tare for 8–10 bowls.

Storing kaeshi

Pour the finished kaeshi into a clean glass jar or squeeze bottle and refrigerate. Because of its high salt content — soy sauce inhibits microbial growth — kaeshi keeps well in the refrigerator for up to 3 months. The flavor continues to develop and mellow over the first few weeks as the niboshi and kombu infusion integrates fully. Many home cooks find that kaeshi tastes better two weeks after making it than on day one.

Cross-use with chashu braising liquid
If you have made chashu pork, do not discard the braising liquid. That liquid — a blend of soy sauce, mirin, sake, and pork gelatin — is essentially a rich, meaty proto-tare. Strain it and stir 2–3 tablespoons into your kaeshi to add body and depth. Alternatively, freeze it in ice-cube trays and drop one cube into each bowl for an extra layer of savory complexity. The braising liquid also doubles as a marinade for ramen eggs.

Refreshing and blending batches

Professional ramen shops rarely start from scratch each day. Instead, they combine the previous batch of tare with a fresh batch — a practice that builds cumulative flavor over weeks and months. At home, the equivalent is simple: when your jar of kaeshi is running low, make a new batch, let it cool, and pour it into the same jar over the remnants. The old tare seasons the new. Over several months, the complexity in the jar becomes genuinely impressive.

Food safety note
Always use a clean spoon when measuring kaeshi from the jar — never pour directly from the jar into a pot and then back again, as this introduces moisture and bacteria that shorten the shelf life. If you see any mold, cloudiness, or off-smell, discard the batch entirely.

FAQ

Q: Can I make shoyu ramen gluten-free?

A: Yes. The two gluten-containing components are the soy sauce (which traditionally contains wheat) and the ramen noodles. Substitute certified gluten-free tamari for the soy sauce at a 1:1 ratio — the flavor is nearly identical. For noodles, look for rice-based ramen noodles or buckwheat soba noodles, both of which can be found at Asian grocery stores and online. Note that mirin may contain small amounts of wheat in some brands, so check the label if strict gluten-free compliance is required.

Q: What is the difference between kaeshi and tare?

A: In practice, home cooks use the terms interchangeably. Technically, kaeshi refers to a soy-mirin-sake blend that is heated and then left to rest (“return,” which is what kaeshi means) — a process originally associated with soba sauce. Tare is the broader term for any concentrated seasoning added to ramen broth. For shoyu ramen, the two terms describe the same thing: the soy-based concentrate that sits at the bottom of the bowl before the broth is poured in.

Q: My broth turned cloudy — what went wrong?

A: Cloudiness almost always means the broth boiled too hard at some point. When water boils vigorously, fat and proteins emulsify into millions of tiny droplets that scatter light and create a milky appearance. The solution going forward is to keep the heat low enough that you see wisps of steam and occasional small bubbles, never a rolling boil. A cloudy broth is not ruined — it tastes fine, it just loses the elegant Tokyo-style clarity. If appearance matters, strain the broth through a fine-mesh strainer lined with cheesecloth while it is still warm.

Q: Can I use store-bought chicken stock instead of making broth from scratch?

A: Yes, and this is a great shortcut on busy weeknights. Use a low-sodium chicken stock and reduce it by about 20% on the stovetop to concentrate the flavor. The result will lack the natural gelatin of a bone-based broth but will still produce a satisfying bowl when combined with a well-made kaeshi. Add a small piece of kombu to the store-bought stock while warming it — a 20-minute steep adds surprising depth at no extra cost.

Recommended Items

Continue building your ramen repertoire

• The Complete Guide to Homemade Ramen — 11 Styles Compared (pillar article)
• Shio Ramen Recipe — Crystal-Clear Golden Broth (uses the same chintan base)
• Chashu Pork Recipe — Tender Braised Pork Belly for Ramen
• Ajitsuke Tamago — Perfect Soft-Boiled Ramen Eggs
• Homemade Ramen Noodles — No Kansui Required

This recipe is independently compiled by the HowToCook.jp editorial team based on widely practiced Japanese home-cooking methods. Ingredient proportions reflect the 4:2:1 kaeshi ratio in common use among Japanese home cooks and are derived from multiple culinary sources listed below, independently verified and rewritten in our own words.

Sources & References

1. Sudachi Recipes — Homemade Shoyu Ramen (Soy Sauce Flavored Chuka Soba) — detailed breakdown of tare and broth ratios for home cooks
2. Just One Cookbook — Shoyu Ramen (Recipe from Bizentei, Tokyo) — Tokyo-style recipe with step-by-step process and tare construction
3. Hakubaku USA — Shoyu Ramen and Its Regional Varieties: A History — covers Tokyo origins, Asahikawa fat-layer tradition, and Kitakata style
4. Yamachan Ramen — Shoyu Ramen: Broth, Flavor, and Key Regional Styles — regional comparison of shoyu ramen characteristics
5. Adam Liaw — Ramen School 001: Basic Clear Ramen Broth — authoritative guide to the chintan temperature-control technique
6. Wok & Skillet — Shoyu Tare (Soy Sauce Seasoning for Ramen) — kombu and niboshi steep method with storage guidance
7. Umami Insider — Recipe: Ramen Tare (Japanese Sauce) — explanation of how tare differs from kaeshi and storage best practices

情報の最終確認日: 2026年02月 / Last verified: February 2026

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