Natto Starter Spores Nattomoto – 3g (30kg Natto) | 100% Organic Soybeans | Made in Japan | Yummy-Yamaguchi (Pack of 2)

Natto Starter Spores Nattomoto – 3g (30kg Natto) | 100% Organic Soybeans | Made in Japan | Yummy-Yamaguchi (Pack of 2)Authentic Japanese natto, now at home Yummy Yamaguchi Japanese Natto Starter Spores give you a simple, scalable way to culture natto. Each 3 g packet is enough to transform up to 30 kg of soybeans into natto, offering a convenient path to a traditional koji fermented staple. Crafted in Japan from 100% organic soybeans, this starter uses Bacillus subtilis Natto to guide fermentation, delivering a classic, savory profile without compromising on quality.

Authentic Japanese natto, now at home

Yummy-Yamaguchi Japanese Natto Starter Spores give you a simple, scalable way to culture natto. Each 3 g packet is enough to transform up to 30 kg of soybeans into natto, offering a convenient path to a traditional koji-fermented staple. Crafted in Japan from 100% organic soybeans, this starter uses Bacillus subtilis Natto to guide fermentation, delivering a classic, savory profile without compromising on quality.

Why this starter stands out

• Made in Japan from 100% organic soybeans for a clean fermentation base
• Contains Bacillus Subtilis Natto to build an authentic natto culture
• Pack of 2 provides flexibility for regular home batches
• 3 g is designed to produce substantial natto quantities, reducing waste
• Designed for home cooks who enjoy experimenting with traditional Japanese fermentation

How to use at a glance

Cook soybeans until tender, cool to a safe fermentation temperature, then blend in the spores. Keep the mixture in a warm, stable environment to support even fermentation. Expect a glossy, stringy natto with a rich, savory aroma.

• Prepare and cool cooked soybeans before adding spores
• Maintain a steady warmth to encourage fermentation
• Chill the finished natto in the refrigerator to taste and texture develop

Sensory notes and kitchen use

Anticipate a nutty, umami-forward aroma and a characteristic sticky, stringy texture that pairs perfectly with steamed rice, pickles, or soy-based sauces. This starter enables you to explore authentic natto textures and flavors in your own kitchen.

Brand promise

Yummy-Yamaguchi focuses on approachable, authentic fermentation experiences. This Natto Starter aligns with a curiosity for traditional Japanese foods, packaged for home enthusiasts who value quality and origin.