
Sweet, tangy, and made for anything crispy — Chef Ian’s “crumbed-food cheat code.”
If you’ve ever made a schnitzel at home and thought, “Yep… but it’s missing that something,” this is it.
Tonkatsu sauce is the classic Japanese finishing sauce for anything crumbed and crunchy — especially katsu. Think of tonkatsu as Japan’s answer to schnitzel… but coated in light, ultra-crispy Japanese breadcrumbs (Panko), and served with a sauce that’s sweet, savoury and tangy all at once.
This is exactly why it earns a permanent spot in the Underground Chef pantry:
it turns a basic crumbed dinner into a proper “restaurant-style” moment in 30 seconds.
I love tools that do multiple jobs, and tonkatsu sauce is one of them. It’s not just a dip — it’s a finisher, a burger sauce base, a glaze, and a shortcut to “big flavour” when you’re cooking anything crispy.
Sweet • Tangy • Savoury • Tomato-onion richness with warm spice
(Think tomato, onion, garlic, gentle spice… and that glossy, addictive finish.)
Store in a cool, dry place.
Once opened: refrigerate and consume within 4 weeks.
Sugar, soy sauce (water, soybeans, wheat flour, salt, sugar), water, distilled vinegar (water, acidity regulator: acetic acid), tomato, onion, garlic, cinnamon, white pepper, celery seeds, cardamom seeds, mustard seeds, mango, salt, thickener (xanthan gum), thickener (modified tapioca starch), acidity regulator (lactic acid), preservative (sodium benzoate), colour (caramel E150C).
Contains: gluten (wheat), soy, mustard, celery.
Vegetarian.
Energy 686kJ / 164kcal
Fat 0g (Sat 0g)
Carbohydrate 41.3g (Sugars 32.3g)
Fibre 0.3g
Protein 2.2g
Salt 6g
Make it a Katsu Kit:
Pair this with ENSO Panko Breadcrumbs + your favourite protein (chicken, pork, prawns) for a 15–20 minute crispy dinner that tastes like you ordered it.
Underground Chef is designed to fit into real life, not take it over. You can start gently, explore at your own pace, and choose the level of guidance that feels right for you.
There’s no pressure to commit and no long-term lock-in. Just thoughtful support, clear guidance, and a way of cooking that works around how you live today.
