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Home Good to know

Baking basics: How to check your baking powder is still active

By:Nagi
Published:15 Jan '21Updated:11 Sep '21
31 Comments
Dozer v

I sometimes receive messages from readers who say they followed my recipe to the letter, but their cake didn’t rise. And my first question back to them is – “did you check your baking powder is still good”? Baking powder can be dead even if it’s not past the due date.

To check if your baking powder is still active, pour 1/4 cup boiling water over 1/2 tsp baking powder. If it bubbles, it’s still good. If not, it’s no good!

  • Baking powder
  • How to check if Baking powder is still goo
    If it foams when you pour over boiling water, the baking powder is active!

Background

Dead baking powder is a common cause of cakes not rising, even if it’s not past the due date. This is because factors such as heat, humidity and jars not properly sealed will reduce the rising power of baking powder.

So if you don’t bake regularly and your baking powder has been sitting in the dark corners of your pantry for months, it’s wise to check if your baking powder is still active before embarking on that special celebration cake!

Baking powder

How to check if baking powder is still active

  1. Place 1/2 teaspoon baking powder in a small bowl.

  2. Pour over 1/4 cup (65ml) boiling water.

  3. Still good – If it bubbles energetically as you pour, it’s still good. Note, the bubbles will subside quite quickly once you finish pouring.

  4. Dead – If it doesn’t foam, then the baking powder is dead. Time to get another!

  • How to check if Baking powder is still good
  • How to check if Baking powder is still goo
  • How to check if Baking powder is still goo
How to test if baking powder is still active: pour 1/4 cup boiling water over 1/2 teaspoon baking powder. If it foams, the baking powder is still good. If not, it’s dead. Time to get another!

Baking powder can go off even if not past the Use By Date

Unless you’re a regular baker, baking powder can sit forgotten in the dark corners of your pantry for months, during which time it loses its rising power, causing cakes to not rise and cupcakes to sink.

Baking powder can go off even if it is not past its expiry date.

This is because baking powder starts to lose its rising powder as soon as you break the seal, and the rate at which it does depends on factors such as heat, humidity and how well the jar is sealed.

Patisseries and restaurants replace baking powder regularly to ensure it is fresh.

In professional kitchens and restaurants, baking powder is replaced regularly and/or recipes are adjusted to increase the amount of baking powder to compensate for the loss of rising power of older baking powder.

So while the Use By Date on the jar may suggest the baking powder is still good for months or even over a year, if it’s been open for months OR it’s been stored in a hot humid environment, it may no longer be active.

So if you don’t bake regularly, it’s wise to check if your baking powder is still active before embarking on that special celebration cake or dozens of cupcakes for the bake sale!

Vanilla Cupcakes with Vanilla Swiss Meringue Buttercream
Vanilla Cupcakes with my Secret Less-Sweet Fluffy Vanilla Frosting

What happens if baking powder is no longer active

Baking powder is the ingredient that is used to make cakes, muffins and other baked goods rise so it becomes soft and fluffy inside.

So if baking powder is not active OR less active than it should be, anything you use it in will not rise as it should.

Time to toss it and get another! ~ Nagi x


Life of Dozer

Just because this isn’t a recipe, doesn’t mean Dozer doesn’t make an appearance! Here he is, just looking cute. 🥰

Dozer the golden retriever dog sitting on Day Bed
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31 Comments

  1. Just Baking ^_^ says

    March 24, 2022 at 8:56 am

    Waow! Saving people’s bakes like no other ♥‿♥

    Reply
    • Nagi says

      March 24, 2022 at 2:01 pm

      😀😀 N x

      Reply
  2. Esther Surleff says

    October 28, 2021 at 12:35 pm

    Nagi, your recipes are fantastic and I truly appreciate your tips and thoughtfulness in detail. You are definitely my ‘go to’.
    Thank you!

    Reply
  3. Sarah N says

    September 25, 2021 at 2:10 pm

    You are a clever cook Nagi, this is a great tip! x

    Reply
    • Nagi says

      September 27, 2021 at 11:03 am

      Thanks so much Sarah!! N x

      Reply
  4. Dorothy Berry says

    June 22, 2021 at 6:08 pm

    Great tip! I never realised baking powder could die!

    Reply
  5. Sylvia Mashaw says

    June 19, 2021 at 2:07 am

    Good Afternoon. When you mentioned checking to see if your Baking Powder was still good I was stunned. I have never heard of it going bad and now I am going to check it. Thank you so much for the good advice. You Rock.

    Reply
    • Nagi says

      June 19, 2021 at 1:21 pm

      You’re so welcome Sylvia, you’ll agree it’s absolutely frustrating when a recipe doesn’t work because of an old, out of date ingredient!! N x

      Reply
  6. Carol says

    June 18, 2021 at 3:48 pm

    As always Dozer always looking cute with his crimped ears 🥰🥰🤗🤗💋

    Reply
    • Nagi says

      June 19, 2021 at 1:35 pm

      😂 Thanks Carol! N x

      Reply
      • Carol says

        June 19, 2021 at 3:13 pm

        Oh I did the baking powder test mine is still good thanks for the tips.The cake turned out perfect and yummy 🤤😋

        Reply
  7. Rae says

    February 12, 2021 at 10:09 am

    Our beautiful Natasha has now passed over,Dozer reminds me of how beautiful and funny these can be.
    Thank You for all the wonderful recipes so easy to follow and using everyday ingredients.Enjoy cooking your recipes.Thank You again.

    Reply
  8. Macy says

    January 28, 2021 at 6:07 am

    Beautiful picture of this sweet boy. Worth the wait for the pic😊

    So handsome.

    Reply
  9. Joy says

    January 24, 2021 at 4:57 pm

    Dozer is still MIA from this post… ! Great tip Nagi thank you as always!

    Reply
    • Nagi says

      January 26, 2021 at 6:38 am

      HOW could I forget Dozer…😭😭😭 Fixed! N x

      Reply
  10. Judith says

    January 18, 2021 at 1:19 pm

    I have read that baking powder can be substituted with bi-carb (baking soda) and cream of tartar. Any thoughts on this? I haven’t tried it yet so I would be interested to know if you have Nagi.

    Reply
    • Nagi says

      January 18, 2021 at 4:08 pm

      Hi Judith, yes you can use a substitute of 2 parts cream of tartar to 1 part bi-carb/baking soda 🙂 N x

      Reply
  11. sheila regnault says

    January 16, 2021 at 7:02 am

    Thanks for this tip. I now know the excuse for my failed banana cake(s). Could you think about using grams in your measurements. Sometimes cups and tablespoons are a problem when reducing portion size.

    Reply
  12. Kate Richmond says

    January 15, 2021 at 10:50 pm

    Your extra notes & ingredients tips are so useful and interesting – thank you!

    Reply
    • Nagi says

      January 16, 2021 at 3:57 pm

      You’re so welcome Kate!! N X

      Reply
  13. Tracy says

    January 15, 2021 at 5:18 pm

    Thanks for the tip!

    You don’t have to toss baking powder that’s off! It can be mixed with moisturiser to make a facial scrub. My skin loves it! No breakouts or dry skin any more.

    Reply
    • Nagi says

      January 16, 2021 at 4:04 pm

      I would never have thought of that!! N x

      Reply
      • Tracy says

        January 16, 2021 at 6:44 pm

        Oh and if you mix (even old) baking powder into shampoo with a little water, you get a clarifying shampoo. Leaves my hair so swishy, it doesn’t feel like my hair 😉
        i think it has to do with the pH value.

        Reply
  14. Cherie B Swaters says

    January 15, 2021 at 5:16 pm

    Dozer – Where are you?

    Reply
    • Nagi says

      January 16, 2021 at 4:04 pm

      OH MY! Let me get this fixed!! N x

      Reply
  15. alimak says

    January 15, 2021 at 5:09 pm

    I did not know this!!! Think I’ve said before that I’m no baker, but this is really handy to know for the rare occasions I reaffirm my ineptitude!!

    Lol!

    Reply
    • Nagi says

      January 16, 2021 at 4:05 pm

      😂😂😂

      Reply
  16. Annie says

    January 15, 2021 at 4:32 pm

    Thanks for the helpful tip!! I think the dozer photo might not have uploaded.. Would love to see his little face! 🙂

    Reply
    • Nagi says

      January 16, 2021 at 4:05 pm

      I’ll have this fixed! The people need Dozer!

      Reply
  17. Macy says

    January 15, 2021 at 6:30 am

    Where’s Dozer’s pic…wouldn’t want to miss his sweet pic

    Reply
    • Nagi says

      January 16, 2021 at 4:05 pm

      How could I forget Dozer! N x

      Reply

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