All you need is the leftover water from steaming or boiling vegetables.

Recipe:

• Vegetable cooking water (without salt)
• Container or bottle for storage
• Watering can

Steps:

1. Cook vegetables such as chard, spinach, carrots, broccoli, green beans, etc.

2. Save the resulting water, provided it does not contain salt, oil, or seasonings.

3. Let it cool completely before using.

4. If not used immediately, store in the refrigerator for up to 48 hours.