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Home » Homemade Natural Blue Food Coloring

Homemade Natural Blue Food Coloring

by Adrienne 186 Comments Published April 12, 2011 Updated: May 16, 2020

This post may contain affiliate links from which I will earn a commission. Learn more in our disclosure.
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How to make Natural Blue Food Coloring. You'll be amazed at what food the blue color comes from!
How to make Natural Blue Food Coloring. You'll be amazed at what food the blue color comes from!

Today I am sharing something that I never thought I would make -- a Homemade Natural Blue Food Coloring Recipe.

Ever since my son was born with life threatening food allergies and eczema, we knew that we needed to avoid toxins and eat as natural as possible.

I started making everything from scratch, including dairy-free milk, homemade seasonings, and even homemade ketchup, plus making whole food substitutes for things like DORITOS®, homemade marshmallows, and white chocolate chips.

Natural Blue Food Coloring--from a Surprising Source!

Most of the time I try to keep things simple in the kitchen since my life is really busy, but sometimes I like to have a little extra fun with some food coloring to jazz things up a bit.

But artificial food coloring just isn't an option for us.

So when my boys wanted some fun chocolate cupcakes for an ice hockey party with blue colored frosting, I sought out a way to make natural blue food coloring.....

Now, I'd found other ways to use natural items to make natural food color, like in my Mint Fudge and Easter Fudge, but blue natural food coloring was a new challenge for me.

What's Wrong with Artificial Food Colors?

We all know that those artificial food colors are not healthy and are suspected of having links to behavioral and health problems. We have avoided them in our home completely since our son's diagnosis with autism, but I wish we had done it sooner.

Did you know that a lot of artificial food colors have aluminum in them? When you see, "FD & C Yellow Aluminum Lake" on an ingredient label, you can know that you will be eating aluminum.

And if the label doesn't say "aluminum," then you might be eating barium or zirconium.

No thank you!

Why I Made This Coloring

Recently my son had a season finale for his ice hockey league (the Griffins Youth Foundation), and each team member was going to be presented with a cupcake decorated with colored frosting to match his uniform.

Ugh -- my son's team color was his favorite color, blue.

Why couldn't he have been on the Green Team? Then I could have used parsley like I did for my Mint Fudge.

Or if he'd been on the Purple Team or Red Team, I could have used the colorings in my Fun Fudge.

Well, I initially told him not to get his hopes up -- that there was no way that we were going to be able to make blue frosting naturally, but then I found out how. And now I am going to share it with you!

You are probably not going to believe what vegetable you are going to use!

You could use this natural blue food coloring for any of the following:

  • dying Easter eggs
  • paper mache projects,
  • crafts
  • fun creative food ideas (blue mashed potatoes, anyone?), like --

Natural Blue Food Colouring in Frosting

CUPCAKES Decorated with Hockey Uniform Numbers

I think they turned out great, and my kids did too! I'll be sharing the vegan cheesecake cupcakes and peppermint icing recipes in the near future.

Chocolate and mint is one of my favorite combos.

One other thing to know about natural food coloring is that some of them are prone to fading. The blue wasn't that deep to begin with (we tried to get the first batch deeper, but ended up with a really bad baking soda taste :-(), but it faded even more in the days following.

So if you color frosting for cupcakes, eat 'em up quickly! I'm sure that won't be hard.

Here is the natural blue food coloring in a bowl:

Natural Blue Food Coloring

How to make Natural Blue Food Coloring. You'll be amazed at what food the blue color comes from!

And here is how to make it:

Homemade Natural Blue Food Coloring

Natural Food Coloring made from a surprise ingredient. Artificial Food Coloring isn't healthy. Here's a way to make Homemade Natural Blue Color yourself.
4.41 from 5 votes
Print Rate
Course: Dressings, Seasonings, etc.
Cuisine: AIP, Dairy-Free, Gluten-Free, Grain-Free, Keto, Low-Carb, Paleo, THM, Vegan
Keyword: natural blue food coloring

Ingredients

  • Half-head red cabbage (yes, I said "red cabbage!")
  • Water
  • Baking Soda

Instructions

  • Wash the cabbage and cut out the stem.
  • Chop into small pieces.
  • Place cabbage pieces in a pot and add water until the cabbage is covered.
  • Simmer for 10 minutes and then drain.
  • The resulting liquid will be purplish (see photo #1 below).
  • Gradually add baking soda, ½ teaspoon at a time, until you get a nice blue hue (see photo #2 below). Be careful, because the baking soda will add flavor to the coloring. If you are using the color for something you will be eating then you need to be especially careful how much you add. Since it is the alkaline quality of the baking soda that causes the red cabbage juice to turn blue, you can also add spinach juice, green tea, or another alkaline ingredient.

Notes

The color in the cabbage juice itself is not particularly sensitive to temperature, but the mixture of the baking soda with the juice is. So you will want to add the color after the food item has cooled, or else only add it to food items that will not be heated.
Tried this recipe?Mention @wholenewmom or tag #wholenewmom!
3.4.3177

Blue Food Colouring Dye, Easter Eggs Colouring

Photo #1

Blue color for dying Easter eggs

Photo #2

(Money Saving Tip: Use filtered water for cooking the cabbage and then, though it is pretty well boiled, you can still eat the leftover veggies for dinner. Try topping them with my Moroccan Vinaigrette and Chaat Masala.)

Don't Feel Like DIYing?

If you'd rather not have to make your own natural blue food coloring, or would like an option that will work for an acidic recipe, here is a link to another good natural blue food coloring.

  • The top photo, “Blue in the Ware” is copyright (c) 2012 Peter Taylor and made available under a Attribution-Generic 2.0 license.

What will YOU use this Natural Blue Food Coloring for?

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About Adrienne

Adrienne Urban is the Founder and Owner of Whole New Mom. She has a background in research, journalism, insurance, employee benefits, financial markets, frugal living, and nutrition. Seeking a better life for herself and her family, she uses research and consults with many physicians and other practitioners to find solutions to the variety of issues they have dealt with including life-threatening food allergies and thyroid and adrenal concerns. WholeNewMom.com is the result of her experiences and knowledge gained throughout the process. Posts are reviewed and verified by the Whole New Mom team.

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    Recipe Rating




     

  1. Kath

    November 13, 2018 at 4:10 pm

    Have you tried mixing spirulina powder with water & filtering? This is what some blue food colourings are made from & is all natural! It looks much more vibrant!

    Reply
    • Adrienne

      December 23, 2018 at 11:03 pm

      I haven't tried that--great idea!

      Reply
    • Adrienne

      December 23, 2018 at 11:06 pm

      So have you done this yourself? I looked around on the internet and seems it's not a common thing.

      Reply
      • Dorry

        May 05, 2019 at 8:02 am

        Hi,

        It is not working with butter icing 🙁 and I need a color blue theme for my cupcakes 🙁

        Reply
        • Adrienne

          May 05, 2019 at 8:05 am

          Hi there - can you tell me the ingredients in the icing, please?

          Reply
  2. Jamey Buckel

    November 11, 2018 at 3:48 pm

    This is a lovely quick recipe, thank you for sharing it with us. Have a fantastic day!

    Reply
    • Adrienne

      November 11, 2018 at 4:31 pm

      Thank you and you are so welcome!!

      Reply
  3. Tori

    August 16, 2018 at 1:10 am

    I’m throwing my boys a beach birthday party and want to make “ocean water” or a blue drink. I dont Really want to use food coloring or blue Gatorade. The recipes I’ve seen use lemon lime soda (I was lime Thinking la croix ) . Anyways, would this work with a sparkling water + sugar drink? Maybe a lemonade drink? Too acidic?

    Reply
    • Adrienne

      August 16, 2018 at 10:31 am

      The acid in the drink will cause it not to work so I would try another option - I'm going to put some in the post today hopefully . sorry about that! Could you do a La Croix with a berry flavor instead possibly?

      Reply
  4. Vanessa

    July 22, 2018 at 1:14 am

    5 stars
    These look SO COOL!
    Question: I wanted a soft purple color for my icing - should I crush blueberries or boil them like you did the cabbage? Thanks!

    Reply
    • Adrienne

      July 22, 2018 at 4:32 am

      Thanks! For blueberries I don't think you would have to boil them--just crush them and use the juice. Hope that helps!

      Reply
  5. Mary

    June 05, 2018 at 12:31 pm

    Why not use blueberries ?

    Reply
    • Adrienne

      June 08, 2018 at 10:03 pm

      That's an option too!

      Reply
  6. Sarah

    April 13, 2018 at 2:22 pm

    Trying to decorate a baby shower cake.what happens when trying to use this recipe for cream cheese frosting?

    Reply
    • Adrienne

      April 13, 2018 at 2:43 pm

      Hi there. Cream Cheese is moderately acidic so I don't think it would stay blue -- the other ingredients would mitigate the acidity but just not sure it would work.

      Reply
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Welcome! I'm Adrienne, and I'm here to show you that Healthy Living Doesn't Have to Be Hard! Here, you'll find basically everything you need to make healthy living doable--healthy & easy flexible recipes, tips for clean beauty and a natural home, essential oils, beginner gardening tips, and more. Learn more about me here.

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