Last Updated on September 9, 2025 by Carrie Korem, FNTP
For thousands of years, traditional cultures knew that soaking nuts, seeds, grains, and legumes made them easier to digest and more nutritious. But somewhere along the way, we forgot this important step — and now many people eat these foods raw or unsoaked, which can cause digestive discomfort and even nutrient deficiencies. In this guide, you’ll learn exactly how to soak and dehydrate nuts, seeds, legumes, and lentils at home, why it matters for your health, and simple step-by-step instructions you can start using today.
Why Soak Nuts, Seeds, and Legumes?
Nuts, seeds, grains, and legumes are packed with nutrients, but they also contain anti-nutrients like:
- Phytic acid – binds to minerals (magnesium, calcium, zinc, iron) and makes them harder for your body to absorb.
- Enzyme inhibitors – block digestion and can cause bloating or discomfort.
Over time, eating these foods without proper preparation may contribute to:
- Leaky gut
- Nutrient deficiencies
- IBS or digestive issues
- Autoimmune problems
The solution? Soaking. Soaking in water with a small amount of acid or salt helps neutralize anti-nutrients, unlocks minerals, and makes these foods much easier to digest. Dehydrating afterward restores their crunch and preserves them for storage.
How to Soak and Dehydrate Nuts and Seeds
If you’ve ever wondered how to soak and dehydrate nuts, the process is simpler than you think:
- Place 4 cups of raw, shelled nuts in a large bowl.
- Cover with filtered water and add 1 tablespoon Celtic sea salt.
- Soak for the recommended time (see chart below).
- Drain and rinse.
- Spread on a parchment-lined baking sheet and dry in a dehydrator or in a warm oven (150°F or lower) for 12–24 hours, until crisp.
Recommended soaking times:
- Almonds: 7–8 hours
- Cashews: 3–6 hours
- Walnuts: 6 hours
- Pecans: 7 hours
- Sunflower seeds: 4 hours
- Pumpkin seeds: 7–8 hours
- Brazil nuts: 4–6 hours
- Macadamia nuts: 6–7 hours
- Sesame seeds: 7–8 hours
(Pro tip: I often let the nuts and seeds dehydrate overnight — I let the work get done while I’m asleep!)
How to Soak Legumes
Beans (Kidney, Pinto, Navy, White, Black):
-
Place 2 cups of beans in a bowl.
-
Cover with warm water + 2 pinches baking soda.
-
Soak for 18–24 hours, changing the water every 7 hours and adding more baking soda.
-
Drain, rinse, and cook slowly in a pot or slow cooker.
Lentils:
-
Soak 2 cups lentils in warm water + 2 tablespoons lemon juice or apple cider vinegar.
-
Let sit for at least 7 hours.
-
Drain, rinse, and cook.
Garbanzo beans (chickpeas):
-
Soak 2 cups beans in warm water + 2 tablespoons lemon juice or apple cider vinegar.
-
Leave for 24 hours.
-
Drain, rinse, and cook.
How to Soak Grains
Even if you’re avoiding grains right now (for gut healing or thyroid support), bookmark this for later:
-
Rice or millet: Soak 2 cups grain in 2 cups warm water + 2 tablespoons lemon juice or ACV. Leave for 7 hours. Drain, rinse, cook.
-
Quinoa: Soak 2 cups quinoa in 6 cups water + 1 tablespoon lemon juice or ACV. Leave for 24 hours. Drain, rinse, cook.
-
Other grains: Soak 2 cups grain in 2 cups warm water + 2 tablespoons lemon juice or ACV. Leave for 12–24 hours. Drain, rinse, cook, or dry in a dehydrator.
FAQ: How to Soak and Dehydrate Nuts, Seeds, Legumes, and Lentils
1. Why should I soak nuts and seeds before eating them?
Soaking nuts and seeds helps break down enzyme inhibitors and phytic acid, which makes them easier to digest and allows your body to absorb more minerals like magnesium, zinc, and iron.
2. Do I have to dehydrate soaked nuts?
Yes, if you want them to be shelf-stable and crunchy again. After soaking, nuts are wet and can spoil quickly. Dehydrating (in a dehydrator or on a low temperature in your oven) restores their crisp texture and prevents mold.
3. Can I just buy pre-soaked or sprouted nuts instead?
Yes, many health food stores sell “sprouted” nuts and seeds that have already been soaked and dehydrated. However, making them at home is usually more cost-effective and ensures freshness.
4. How long do soaked and dehydrated nuts last?
When fully dehydrated and stored in an airtight container in a cool place, they typically last 2-3 months. I like to store them in these Italian glass jars. You can also store them in the freezer for longer freshness.
5. Can I soak and dehydrate legumes too?
Yes! Beans, lentils, and chickpeas also benefit from soaking. Soaking reduces phytic acid and improves digestibility. Just remember that after soaking, they still need to be cooked.
6. What’s the difference between soaking and sprouting?
Soaking simply neutralizes anti-nutrients and makes food more digestible. Sprouting takes the process further by allowing seeds, nuts, or legumes to germinate, which can increase certain nutrient levels.
7. Can I use vinegar instead of lemon juice when soaking?
Yes, both vinegar and lemon juice are acidic and work well as soaking agents to reduce anti-nutrients. Apple cider vinegar is a popular choice.
8. What happens if I skip soaking?
If you skip soaking, you could experience bloating, poor nutrient absorption, or other digestive discomforts. Long-term, consistently eating unsoaked nuts, seeds, or legumes may contribute to nutrient deficiencies and gut issues.
Key Takeaways: How to Soak and Dehydrate Nuts, Seeds, Legumes, and Lentils
-
Soaking neutralizes anti-nutrients like phytic acid and enzyme inhibitors.
-
It helps your body absorb minerals and makes foods easier to digest.
-
Always add an acid (lemon juice or vinegar) or salt when soaking.
-
After soaking nuts and seeds, dehydrate them at a low temperature to preserve crunch and prevent mold.
-
With just a little planning, you’ll enjoy nutrient-dense foods that support your health.
Soaking and dehydrating may seem old-fashioned, but it’s a powerful way to make everyday foods like nuts, seeds, legumes, and grains more nourishing. Once you try it, you’ll notice the difference — better digestion, more energy, and food that tastes amazing.
70 Comments