Freezing broad beans

Freezing broad beans is important if you plan to use them for the treatment of Parkinson's disease; you need a supply for the whole year.

The recommended starting dose is about six beans twice a day; you will have to cut back on your medication.

Assuming you can eat them fresh for say four months, you would need to freeze around 3,000 beans. It will be a lot of work but it's all good food stored up for the whole year.

Green fava beans in their shells.

I would wait for them to get larger than this for freezing but for fresh, green broad beans these are perfect. Do it before they start to dry off; then the skins get very chewy.

Start by picking as many pods as you think you can easily shell at one sitting; use secateurs. Finish the lot since they start to lose water and and the natural sugars turn to starch quite quickly.

Two people working steadily at blanching the beans would not find it too onerous.

Shelling broad beans
  1. With a sharp knife cut the end and pull off the string. You might get some ideas from shelling large green beans; there's an art to doing it quickly and efficiently.
  2. Squeeze the large green broad beans out with your thumb.
  3. Pour boiling water into a large pot and bring it back to bubbling merrily.
  4. Have a large bowl of ice-water at the ready.
  5. Drop your shelled beans in batches into the hot water and bring it back to a hard boil for about three minutes.
  6. Scoop them out with a holey ladle and drop them into the ice-water. This is the essence of blanching. It stops all enzyme action; the conversion of the sugars to starch.
  7. Scoop the beans onto a series of dry kitchen towels.
  8. When dry put them into bags and store on a dedicated shelf of the freezer. Labelling is always sensible but to be honest I don't do it; you will finish them before the year is up.
  9. Perhaps count and put about 100 beans in a bag; enough for one week.
Blanching broad beans for 3 minutes.

Freezing is a lot easier to my mind that putting them up in bottles, but it will take up space in the freezer.

All veggie growers need big deep-freezers in any case; it's the simplest way of putting up a lot of excess garden produce. 

For example freezing peppadews is important to us. Broad beans have little flavour but these mild chilies give our "Eggs Parkinson's disease" a bit of zip. 

Chilling blanched broad beans with ice water

Now dry the blanched and chilled broad beans on a kitchen towel. Then place them in bags and pop them into the freezer.

Drying blanched broad beans

Double-shelling broad beans

The three forms of broad beans.

Legumes in general have a very low glycemic-index; the starch is converted slowly to glucose in the bloodstream. So there will be no insulin-storm to store those carbs as fat. If you are diabetic then test yourself.

Home testing for prediabetes isn't difficult; a couple pricks of the finger.

However there's a common practice of double-shelling broad beans, mostly because it is difficult to get them when they are still fresh and young. If you are growing them yourself then there certainly is no need.

If you remove those skins then the GI shoots up very high to 79; much of the fibre is removed so they are rapidly digested. It's a practice to avoid; besides it is very tiresome.

Notice the skinned broad beans above; they should be shunned by all who are obese or are on one of the ketogenic diets that forbid all legumes. Actually we should not do it at all; it's not a healthy practice, yet commonly done.


L-dopa is the active phytonutrient in broad beans that is so beneficial; it can cross the blood-brain barrier and be used to synthesise the neurotransmitter.

It also just makes us feel better about ourselves and life in general; just look at the demeanour on the faces of those suffering from Parkinson's disease.

Here's the thing; there is even more levodopa to give it the full name in the young pods than in the beans; so this is a far easier and better way of freezing broad beans.

  1. Pick young broad beans pods; in this instance you should wash them.
  2. Top and tail them.
  3. Drop them into the boiling water and thence into the ice after three minutes.
  4. Dry the young pods as before and again freeze them.
  5. Bob's your uncle, what could be easier?

If you are doing this for the treatment of Parkinson's disease, or if you are starting a tremor, then I would begin with two young pods for breakfast, and again for supper.

Eggs Parkinson's disease is a favourite dish in our family. I have had an essential tremor for thirty years; broad beans definitely help. They look like little grey ticks in the photo below.

Eggs Parkinson's disease.


Freezing broad beans is not something that a person with frank Parkinson's disease could do on their own. Perhaps it's a parent or other loved one that you are considering helping.

If the patient is a gardener they could learn how to plant broad beans, but would there be the motivation?

Harvesting and podding the beans, and even topping and tailing might be too difficult, but they could certainly help with the blanching; get them on board. It has to be a family affair.

Why would you do this when you can get it in pill form? Talk to anyone with Parkinson's disease and you soon find that the medication is expensive and one has surges of too little and then not enough dopamine flowing in the blood stream. Growing and freezing broad beans has a much smoother effect.

And the medication works reasonably well for a couple years but then rapidly tails off as the disease progresses. Freezing broad beans works far better for about two-thirds of folk suffering from the disease.


Now this is important; if you are already taking a dopamine drug then you will have to gradually decrease the dose as you start enjoying your frozen broad beans twice a day. One can overdo it and that has serious consequences[1]. In fact this is best done in collaboration with your doctor; he may be skeptical but tell him that the research is strong.

Other benefits

Of course there are many other benefits that come with broad beans. After soyas they are the richest source of vegetable protein, for example. They have large amounts of fibre and B-vitamins.


Whilst there is controversy over how much protein we should be having in the middle years, it is universally agreed that children and the elderly should be having extra; it lessens the likelihood of frailty syndrome.

100 grams of the green mature seeds contain 26g of quality protein; roughly half of the recommended daily allowance.

For more protein allow the seeds to mature and then pod them. For the treatment of Parkinson's disease enjoy at least some of them whole whilst still young.

"Rising food and energy prices are striking at sub-Saharan Africa's most vulnerable, with 123-million people acutely food insecure.”

- International Monetary Fund (2022)

Freezing broad beans would mean having sufficient protein for the whole year; throw in an egg or glass of milk for a complete food.

Broad beans on toast

This broad bean on toast is a breeze; high in vegetable protein and feta cheese.

Call it a bruschetta if you want to be fancy; notice both whole beans and those that have been podded.

Broad bean bruschetta.

Freezing broad beans

Freezing broad beans when you have a glut is really very simple.

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