Recipe – Ready in 16 to 20 Hours
Natto is a bold Japanese superfood known for its sticky texture, strong aroma, and unmatched nutritional benefits. Packed with probiotics, vitamin K2, and enzymes that support heart, brain, and bone health—natto is worth learning to love. With FermentPro, making natto at home is not only simple—it’s budget-friendly and fresher than anything you’ll find in stores.
🛒 Ingredients (Makes 4–5 Servings)
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1–2 lbs soybeans (non-GMO or organic preferred)
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Natto starter culture (Bacillus subtilis natto)
💡 Starter Tip: Use high-quality natto starter or 1 tbsp store-bought fresh natto as seed culture.
Step-by-Step Directions
1. Cook the Soybeans Choose your method:
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Slow Cooker (No Soak): Cook on low 6–8 hours with 2–3x water
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Stovetop (Soaked): Soak 6–8 hours, simmer 3–4 hours
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Pressure Cooker (Soaked): Soak 6–8 hours, cook 15–20 minutes
Beans should be soft but not falling apart.
2. Cool and Inoculate
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Drain soybeans and let cool to room temperature
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Sprinkle in natto starter and mix thoroughly with clean utensils
3. Pack & Ferment
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Transfer beans to a clean fermentation container
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Cover with plastic wrap (poke holes) or a loose-fitting lid
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Ferment using FermentPro at 105°F (40°C) for 16–20 hours
4. Chill & Serve
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Let natto cool and refrigerate for 2+ hours before serving
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Store for up to 1 week in fridge
🧪 Nutritional Benefits (per oz):
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Calories: 60
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Probiotics: 300 billion CFU
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Protein: 6g
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Fiber: 2g
🧬 Adults need ~10–20 billion CFU/day—natto offers over 10x that per ounce!
✨ Natto Health Benefits (Backed by Science)
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Brain Health
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Vitamin K2 and nattokinase reduce brain inflammation 📚 Source: NHK, 2023
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Heart Health
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Lowers arterial plaque and supports blood flow 📚 Source: University of Tsukuba
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Immune Support
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Bacillus subtilis improves immunity and gut function 📚 Source: NHK, 2023
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Bone Strength
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Vitamin K2 regulates calcium and supports bone density 📚 Source: Healthline
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Blood Sugar Regulation
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Gamma-PGA helps reduce glucose absorption 📚 Source: NHK, 2023
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🏡 Why Homemade Natto is Better (Especially with FermentPro!) ✅ Higher probiotic count—fresh & potent ✅ No fillers, stabilizers, or preservatives ✅ Choose organic beans and control sodium ♻️ Less packaging waste, reusable containers 🧘 Superfood status with a satisfying DIY process
💰 Natto Price Comparison (per 3 oz pack)
Type | Cost per Pack |
Store-Bought | $2.89 |
Homemade Natto | $0.72 |
Savings per pack: $2.17
Annual Savings (2 packs/week): $225.68
⚠️ Important Notes for Natto Success 🧊 Cool Beans First: Heat kills the starter culture—wait for room temp. 🥄 Use Clean Tools: Any contamination can affect your batch 🌡️ Keep Warm: Natto loves steady warmth—FermentPro keeps it consistent
🔥 Final Thoughts Natto may be unconventional, but it’s a science-backed health powerhouse worth adding to your wellness toolkit. With FermentPro, you get the easiest, most reliable way to ferment it at home—preserving its full flavor, potency, and healing power.
✅ Ready to Make Your First Batch of Natto? Let the science (and the stickiness) begin!
Fermentation Time & Settings (FermentPro)
Item | Category | FermentPro Temp Setting | FermentPro Time |
---|---|---|---|
Yogurt (No-Boil) | Dairy | 115°F | 8–12 hours |
Kombucha | Beverage | 85°F | 3-4 days |
Milk Kefir | Dairy | 70°F | 24-30 hours |
Water Kefir | Beverage | 70°F | 24–48 hours |
Sweet Rice Wine | Beverage | 90°F | 20–36 hours |
Fruit Wine | Beverage | 80°F | 72 hours (3 days) |
Sauerkraut | Food | 70°F | 3–5 days |
Pickled Veggies | Food | 70°F | 3–5 days |
Tempeh | Protein | 90°F | 27–36 hours |
Sourdough Starter | Bakery | 72–85°F | Manual refresh daily |
Kimchi | Food | 70°F | 3–4 days |
Natto | Protein | 105°F | 20–24 hours |
Wine (Red/White) | Beverage | 80°F | 2–3 days |
Home Sprouting | Produce | 70–85°F | Manual (monitor daily) |
Makeup Fridge | Cosmetic | 50–60°F | Manual (storage) |
Medicine Cabinet |
Medical | 50–70°F | Manual (storage) |
🛒 BUY FERMENTPRO NOW and unlock the power of true Japanese fermentation at home!
⚡ Supplies are limited. Make your next bite the most probiotic-rich yet.
Ferment smarter. Live stronger. Only with FermentPro.