The Sauce Behind Japan's Most Popular Street Food — in Catering Format

Yakisoba sauce is the sweet-savoury Japanese stir-fry sauce that coats yakisoba noodles — Japan's defining street food and festival dish. Otafuku, the Hiroshima-based company that dominates Japan's sauce market, produces this version with a proprietary blend of fruit and vegetable extracts that gives it a thicker, more complex finish than a simple soy-based stir-fry sauce. The 1.8L handled bottle is built for professional kitchens and street food operations running yakisoba at volume.

Why Chefs Choose This

Industry standard: Otafuku is Japan's leading sauce brand — the same product used by yakisoba vendors across the country
Ready to use: No mixing, no dilution — pour directly onto noodles in the wok or on the griddle
Catering volume: 1.8L bottle with handle designed for heavy kitchen use — fewer bottle changes during service
Consistent caramelisation: The sugar and fruit extract content produces reliable colour and glaze when cooked at high heat

How to Use

Classic yakisoba: Stir-fry noodles with vegetables and protein, then add sauce in the final minute — toss to coat evenly
Yakisoba pan: Fill a hotdog roll with sauced yakisoba noodles — Japan's iconic carb-on-carb street snack
Teppanyaki glaze: Use as a finishing sauce on griddle-cooked meats and vegetables for sweet-savoury caramelisation
Stir-fry shortcut: Works as an all-in-one sauce for any Asian-style noodle stir-fry — not limited to yakisoba

What does yakisoba sauce taste like and how is it different from okonomiyaki sauce?

Yakisoba sauce sits in the same family as Worcestershire-style Japanese sauces — sweet, tangy, and fruit-forward — but is thinner and less intensely sweet than okonomiyaki sauce. Where okonomiyaki sauce (also made by Otafuku) is designed to sit on top of a pancake as a thick glaze, yakisoba sauce needs to coat individual noodle strands without pooling, so it has a lighter viscosity and a sharper finish. The flavour profile is built on fruit and vegetable extracts, vinegar, and soy, producing a taste that is recognisably Japanese but accessible to British palates — somewhere between brown sauce and a sweet soy glaze, with more depth than either.

Product Details

Type	Yakisoba Sauce (焼そばソース — Yakisoba Sōsu)
Brand	Otafuku
Volume	1.8L
Net Weight	2.15kg
Origin	Japan
Format	Handled plastic bottle
Storage	Ambient — refrigerate after opening

What is the difference between yakisoba sauce and okonomiyaki sauce?

Both are fruit-and-vegetable-based Japanese brown sauces, but they are designed for different dishes. Okonomiyaki sauce is thicker and sweeter — it needs to sit on top of a pancake without running off. Yakisoba sauce is thinner, slightly sharper, and designed to coat noodles evenly during stir-frying. Otafuku makes both, and while you could substitute one for the other in a pinch, the viscosity and sweetness balance will be noticeably different. For authentic results, use the sauce designed for the dish.

How much yakisoba sauce do you need per portion?

As a rough guide, 30–40ml of sauce per single portion of yakisoba (approximately 150g of cooked noodles) produces a well-coated result without the dish becoming soggy. For a 1.8L bottle, that gives approximately 45–60 portions. Adjust to taste and heat level — the sauce caramelises as it cooks, so adding it to a very hot pan will concentrate the flavour and reduce the volume slightly.

Can you use yakisoba sauce for dishes other than yakisoba?

Yes — it works as a general-purpose stir-fry sauce for any noodle dish where you want a sweet-savoury Japanese glaze. It is also used as a teppanyaki finishing sauce, a glaze for grilled meats, and a base for Japanese-style fried rice. Some street food vendors use it on hot dogs and burgers as a Japanese alternative to brown sauce. Anywhere you want caramelisation, sweetness, and umami without building a sauce from scratch, yakisoba sauce will do the job.

Japanese Sauces, Teriyaki, Tonkatsu, Katsu Curry

Otafuku, Okonomi Sauce, 1.8L

Bull-Dog, Tonkatsu Sauce, 1.8L

Kewpie, Mayonnaise, 450g

Shibanuma Yakiniku Sauce 360ml

Shibanuma, Gluten Free Yakitori Sauce, 1.8L

Shibanuma, Gluten Free Unagi Sauce, 1.8L

Momiki, Black Garlic Umami Sauce, 180g

Nihon Shizen, Sweet Vinegar Tomato Dashi, 360ml

Haguruma, Japanese Ketchup, 500g

Kōmi, Gluten Free Teriyaki Sauce, 1L

Otafuku, Yakisoba Sauce, 1.8L

Okahata, Ripe Umeboshi Paste, 130g