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5 Brillant Comments

Furikake

 

Bonito Furikake

I’m sharing another featured ingredient with you today on Hypothyroid Chef. Furikake is a traditional Japanese condiment and rice topping made from seaweed, sesame seeds, salt and sugar. There are dozens of variations on furikake, which refers to a sprinkly topping for rice, but here in the U.S. when someone says furikake (pron. Foo-dee-kah-ke), this basic sesame-seaweed shake is usually what they’re talking about.

Seaweed is one of the best natural food sources of iodine, which the thyroid depends on to function properly. It’s important to note, however, that iodine consumption paired with a selenium deficiency is bad news for the thyroid. You can read more about it here. Nori, or the dried sheets of seaweed your California roll is wrapped in, happens to be one of the main ingredients in furikake.

Furikake is so easy to make at home, and typically doesn’t require a specialty store scavenger hunt for the basic ingredients. This D.I.Y. Recipe for Vegetarian Furikake from The Kitchn takes a simple, vegan-friendly approach. But since I’m a chef and I like to get CraZy with flavor, I’ve included my own recipe (below) with the added oomph of bonito flakes. These thinly shaved bits of dried tuna give this furikake all the umami-power of bacon, in fish form. I was able to find the ingredients I needed at my local grocery store, but they have a pretty solid “Asian” section.

Furikake Breakfast Bowl

I could eat furikake by the spoonful, but I especially like it on a Japanese-style breakfast bowl. In the one pictured here, I used some leftover short-grain brown rice, an over-easy egg, peas, chives, and a drizzle of hot pepper sesame oil and tamari. A few slices of avocado would be nice, a slash or two of sriracha, maybe slivers of smoked salmon, or a handful of wilted chard. Whatever floats your boat. It’s always nice to have another warm and satisfying, gluten-free breakfast idea.

Another way you can easily add Furikake to your diet is to buy it, pre-made.  Sprinkle it on popcorn, eggs, rice, or fish. If purchasing furikake, be sure to check the ingredient list carefully, as some brands contain MSG or other chemical ingredients. This post originally recommended Nori Komi brand, which used to have a fairly clean ingredient list, but now contains a number of preservatives and chemicals, and bears the California Prop 65 warning label for cancer and lead. Sigh…

Food Sources of Iodine

I’ve been focused on natural sources of iodine lately, like fresh cranberries, seafood, yogurt, cheese, whole potatoes, eggs, milk, and of course, seaweed. You may already know that iodine is crucial to thyroid function, but did you know it wants just the right amount? Both too much or too little iodine can lead to goiter, hypothyroidism, or hyperthyroidism.

There is some disagreement in the American medical community as to whether our problem is too much or too little iodine, but it has been estimated that as many as 1 in 7 women suffer from iodine deficiency in the U.S. On the flip side, up to 90% of us with hypothyroidism in fact have Hashimoto’s or autoimmune thryoiditis, which may benefit from reducing iodine consumption. We must choose carefully, and with the help of our health care providers, whether focusing on iodine rich foods is beneficial to our thyroid health. One thing is true in all cases: Consuming iodine with a selenium deficiency is bad news for the thyroid. Read this article for a more thorough explanation on why iodine is controversial to thyroid health.

The recommended daily allowance for iodine in an adult is 150 mcg. That figure goes up to 220 – 250 mcg for pregnant women, and 290 for lactating women. 

It’s difficult to know how much iodine you’re consuming because the amount of iodine in foods varies widely depending on things like environmental factors and farming practices. The reason dairy, for example, contains iodine is due in large part to iodine supplements in animal feed, so values are always approximate. That said, here are some estimated values of iodine in food:

  • 99 mcg in 3 ounces baked cod
  • 75 mcg in 1 cup plain, low fat yogurt
  • 71 mcg in 1/4 teaspoon iodized salt
  • 30 mcg in 1/2 cup chocolate ice cream
  • 24 mcg in 1 large egg
  • 12 mcg in 1 ounce cheddar cheese
  • 7 mcg in 1 cup apple juice
  • 3 mcg in 1/2 cup frozen, boiled green peas

Source: National Institute of Health. Iodine. Office of Dietary Supplements. Fact Sheet for Health Professionals.

Iodine in Seaweed

Kombu: One food that registers off the charts for iodine content is kombu seaweed, otherwise known as kelp. It’s sometimes used as an ingredient in Japanese soup stock, which makes sense because boiling eliminates the extremely high concentration of iodine in this food, estimated at 2,660 mcg per gram (yikes!).

Wakame is another seaweed product, often re-hydrated and used in seaweed salads.  In an article entitled, “How Can I Safely Consume Seaweed?”  Wakame is noted as having a more moderate but still rather high amount of iodine, estimated at approximately 790 mcg per 100 grams (about a 3 1/2 ounce serving).

Nori: These papery sheets of dried seaweed used for sushi rolls, are listed as being relatively safe to consume at 12 mcg of iodine per gram. My digital kitchen scale measures a sheet of nori at about 2 grams, so iodine content would be in the neighborhood of 24 mcg per sheet.

There’s a fascinating tidbit in the article link above, about the Japanese diet which is relatively high in thyroid-stimulating iodine, but also in goitrogenic (or thyroid-inhibiting) ingredients like soy, bok choy, and broccoli. Coincidence? I doubt it.

Anywho, one opinion I come across regularly is that taking supplemental iodine is risky business. As a rule, I do not recommend supplements or making major dietary changes here on Hypothyroid Chef, because first of all, I’m a chef, not a doctor or dietitian. Secondly, I have seen far too many stories about the harm caused by un-prescribed or inappropriately prescribed supplements. If you wish to take supplements of any kind and are hypothyroid, please, seek out proper medical evaluation and advice first.

Furikake

Hope this hypothyroid-loving seaweed shake finds a permanent place in your pantry. Enjoy!

Wishing you the best of health,

signature2

 

 

 

The Breakdown

  • Iodine is a crucial element to the production of thyroid hormone, and since our bodies do not make it naturally, we depend on dietary sources.
  • Dried seaweed is one of the best natural food sources of iodine. Nori, or the dried sheets of seaweed used in furikake, provides approximately 24 mcg of iodine per sheet. It is considered a low-calorie, high-fiber, cheap superfood with a 6-month shelf life.
  • A tablespoon of sesame seeds provides 4% DV of Selenium, which aids in both the production and regulation of thyroid hormone. It also protects the thyroid from damage that can be caused from too much iodine.
  • A tablespoon of sesame seeds provides 8% RDI for Tyrosine, which the thyroid gland combines with iodine to make thyroid hormone.

 

Bonito Furikake

Created by Ginny Mahar on February 4, 2016

Furikake This furikake is robust and totally addicting. If you've never used bonito flakes, think of them like sea-bacon. It gives this mix a big umami boost. Sprinkle on eggs, rice, steamed vegetables, fish, fries, even popcorn. Recipe adapted from Homemade Furikake by Rachael over at Set the Table (setthetableblog.com).

  • Prep Time: 10m
  • Cook Time: 20m
  • Total Time: 30m
  • Yield: 1 cup
  • Category: Condiments

Ingredients

  • 1 c bonito flakes, loosely packed
  • 3 sheets Nori, torn or cut into small pieces
  • 1/2 c sesame seeds, white, black, or combo
  • 1 tbsp. tamari or soy sauce
  • 1 tsp. mirin (sweet rice wine)
  • 1/4 tsp. toasted sesame oil
  • 1/2 tsp. fine sea salt
  • 1 tsp. packed brown sugar

Instructions

  1. Preheat oven to 250. Line a rimmed baking sheet with parchment.
  2. In a food processor combine the bonito flakes and nori bits. Pulse until coarsely chopped.
  3. In a small bowl combine chopped bonito/nori mixture, and remaining ingredients. Stir well to combine and coat evenly.
  4. Spread in an even layer on parchment-lined sheet, and bake for 20 minutes, stirring every 7 minutes or so. Mixture is done when dry, fragrant, and lightly toasted.
  5. Let cool, 2 hrs. before storing in an air-tight container for up to 3 weeks.
Source: Rachael
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Filed Under: Condiments, Featured Ingredients Tagged With: dairy free, Gluten Free, Low Carb, seaweed, sesame, sesame seeds, Vegan, vegetarian

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Reader Interactions

Join the Discussion

  1. Pat in Belgium says

    February 5, 2016 at 8:09 am

    Ginny, you are to be commended for your down-to-earth, no nonsense approach to healthy cooking (and eating, of course!). I really appreciate that the ingredients are, for the most part, readily available and don’t cost a fortune! (I just came from a blog where one supplement of some plant energy boost cost double digits — and you were meant to take three at one sitting! Yes, I agree with you about supplements outside medical guidance.)
    I look forward to new recipes & renewed health.
    Thank YOU!

    Reply
    • Ginny Mahar says

      February 8, 2016 at 12:01 pm

      Thank you so much for the support Pat! Knowing that you found some useful information and ideas here makes it all worth it. Thanks for stopping by and taking the time to read my blog. I am so grateful, and I wish you the best of health : )

      Reply
  2. Kelli says

    March 8, 2018 at 7:30 am

    I would love to use the pre made Furikake pictured above, and I ordered it off Amazon, but I’m concerned about the lead and cancer warning on the bottle listed under the ingreadients. I would like to hear your opinion on this bc you are a professional chef. Thanks!

    Reply
    • Ginny Mahar says

      March 8, 2018 at 8:53 am

      Hi Kelli- Thank you so much for the heads up on this new change to Nori Komi Furikake. I was confused because my bottle (purchased over a year ago) has no such warning and it also doesn’t display it on the Amazon photos, but looking at the reviews it appears that the mfg has added some ingredients like maltodextrin, disodium succinate, and disodium inosinate. There are many unhappy recent customers regarding this change to what was a fairly clean ingredient list for years. Also, the label you are seeing may reflect the California Prop 65 label which is now on hundreds of products, but does not specify where the lead or carcinogens may be coming from. I wonder if it may have something to do with the silica packet, but it’s hard to say for sure. I’m so sorry for your inconvenience and will be taking this recommendation out of my post. As to whether you choose to consume it, that’s up to you. You can look to the Amazon reviews to see what others are saying about this. If it hasn’t been opened, maybe you could return it?

      Reply
  3. Enrique Pasion says

    April 12, 2019 at 5:37 am

    Furikake seems like a very interesting ingredient indeed! Thank you for this post and the usual delicious and healthy recipes you have!

    Reply

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Hypothyroid Chef is a place to share my recipes and my quest for better thyroid health, with you. I am neither doctor, nor dietitian, but a passionate cook who wants to know more and feel better. This is not a place for medical advice, and any opinions shared are my own. Information shared on Hypothyroid Chef is for educational purposes only and is neither intended nor implied as a substitute for professional medical advice. Before implementing changes to your diet, exercise program, or lifestyle, please consult with your doctor.

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