Hollandaise Sauce Recipe & Kitchen Science Experiment

Last Updated on June 24, 2019 by Ellen Christian

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When I was younger, I did fairly well in school. Unfortunately, I always seemed to struggle with math and science. I was much happier reading a book or learning about our past than I was trying to understand math and science. It appears that my son has developed my lack of interest when it comes to science because he is really struggling with that class. A great way to get kids interested in science is to help them understand how it really applies to their lives.  After all, when I hear the word emulsion, it means nothing to me at all.  When I actually see an emulsion, I begin to have an understanding.

Kitchen Science Experiment #NetflixKids

Kitchen Science Experiment

We all know that water and oil do not mix. Take a cup of water and a quarter cup of oil and place them in a jar and you’ll see what I mean.  The oil just lays on top of the water and no matter how much you shake it up, they just don’t combine. They don’t combine because oil is made up of non-polar molecules while water molecules are polar molecules. In order to help them stay together, you need to add what is called an emulsifier. An emulsifier  is a substance that helps two liquids combine to form an emulsion.

Hollandaise Sauce Recipe & Kitchen Science Experiment #NetflixKids

Hollandaise sauce is a delicious sauce that we often serve over asparagus.   Hollandaise sauce is an example of an emulsion because butter and water combine to make this sauce because of the addition of egg yolks which act as the emulsifier. Egg yolks contain a number of emulsifiers. Eggs also act as emulsifiers in things like mayonnaise and cake where they help combine fat-based and water-based liquids.

Hollandaise Sauce Recipe & Kitchen Science Experiment #NetflixKids

Hollandaise Sauce Recipe

Yields 4

Hollandaise Sauce Recipe

3 minPrep Time

8 minCook Time

11 minTotal Time

Save RecipeSave Recipe


  • 3 egg yolks
  • 1 tablespoon lemon juice
  • 1 tablespoon water
  • 1/4 tsp salt
  • 6 ounces melted butter (not margarine)


  1. In a small sauce pan, beat the three egg yolks with a whisk.
  2. Add the lemon juice, water, and salt and whisk to combine.
  3. Over low heat, beat until it is smooth, creamy and thicker. This is the first emulsion.
  4. Remove the pan from the heat and add the melted butter by 1/4 teaspoon. Do NOT add faster than this.
  5. When the sauce resembles thick cream, begin adding the melted butter by 1/2 tablespoon. Do NOT add faster than this.
  6. It will take about 5 minutes to finish the entire process and create the second emulsion which is the finished Hollandaise Sauce.
  7. Serve over fresh steamed asparagus.

Get your kids interested in science by watching some of these fun titles from Netflix.  One of our absolute favorites is Mythbusters. Even my husband enjoys watching it and we are always surprised by which of the myths are real and which are not.

Kitchen science experiments #Netflix kids


53 thoughts on “Hollandaise Sauce Recipe & Kitchen Science Experiment”

  1. Pingback: 5 Fun Science Experiments For Kids - My Kids Guide
  2. Hollandaise sauce is indeed delicious, especially over asparagus. I like to replace the lemon juice with 3 tablespoons of freshly squeezed orange juice. It's a terrific citrus taste to the sauce for a unique twist.
  3. I've always been intimidated by hollandaise sauce, but I think after reading your instructions & recipe, I just might give it a whirl! :)
  4. Love your kitchen tips Ellen; and Hollandaise is one of my favorite recipes..thanks for sharing, sure looks delicious and can't wait to make it with my veggies soon
  5. Seriously, I learn so many new things by reading your blog. I never knew what emulsion was. :D LOVE THIS>
  6. How neat!  I love science lessons in the kitchen!!!  This is such a great idea!  And your hollandaise sauce came out perfect!
  7. I've never tried making Hollandaise sauce but the few times I've had it at restaurants, it was just too rich for me. Great that you turned a recipe into a science experiment though.
  8. This is so cool, I love how you made science applicable! I think almost everyone learns better when they can see it in their own lives.
  9. I love Hollandaise sauce. Anything and everything is good when you put Hollandaise sauce on it. I'm super excited to have this recipe to try since I've only made it from a packet in the past.
  10. Now that would be a super fun science experiment to do with my kids. Do the science test first and then make the Hollandaise sauce and explain how it works! I always said cooking is a science and this seriously just proved it!
  11. I have never had  hollandaise on Asparagus before.  Looks like it is something I need to try and definitely with bacon.
  12. I love teaching my kids about kitchen science. One year for a highschool chemistry class I did the chemistry of making fudge. Gave the class and teacher fudge after the presentation. I got an A :)
  13. I've tried making a hollandaise sauce once but it broke! I get so intimidated by fancy sauces like this but I really should try again!

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