Baking Soda vs. Baking Powder - A Crash Course

Ever squint at a recipe, wondering why it calls for baking soda one minute and baking powder the next? You're not alone! These two white powders look eerily similar, but in the world of baking, they definitely play distinct roles. Let's peek behind the curtain and unveil the science behind these magical leaveners, because understanding them equals fluffy, glorious baked goods – every time!

The Mighty Bicarbonate: Baking Soda

What’s the deal with Baking Soda? Most of us have done science experiments with baking soda before but people also use it to clean their house, whiten their teeth, neutralize odors, and make liters of Coke explode for funsies. Why and how is it also so vital to baking?

Baking Soda (a.k.a. sodium bicarbonate) is a sleeping powerhouse. All it needs is a little acid to activate its bubbling powers (if you watched that video above, you’ve seen just how powerful it is!) For baking, ingredients like buttermilk, chocolate, or lemon juice are great activators for Baking Soda because, when combined, they form carbon dioxide - the wonderful air bubbles that make baked goods rise and leave the texture fluffy and light! 

Baking Powder, the Team Player

Sometimes as your baked goods, well, bake, the acid that baking soda needs isn't available right away, leaving it fizzling out prematurely. Enter baking powder – the ultimate team player. Baking powder is actually a clever mix of baking soda, an acidic partner (cream of tartar), and a little cornstarch for stability. This means it's ready to party (bubble, bubble, poof!) the moment it meets moisture – no tangling with extra acids required! 

So, when do we use Baking Powder versus Baking Soda?

Baking soda shines in recipes with built-in acidic ingredients: Think buttermilk pancakes, cocoa cookies, or banana bread. The natural acids in these goodies activate the baking soda, creating that light and fluffy texture. Plus, baking soda helps promote browning for a beautiful golden crust.

Baking powder takes center stage in recipes lacking built-in acids: Vanilla cupcakes, fluffy waffles, or tender biscuits rely on baking powder's internal team to puff them up. It's also your lifesaver for recipes where timing is key, like pancakes you want to mix and cook without delay.

What happens if I mix up Baking Powder and Baking Soda? Can my recipe be saved? 

First off, been there, done that. Second, saving your recipe really depends...

Using Baking Soda instead of Baking Powder

Baking soda is much stronger than baking powder so your baked goods might not rise enough if you used it in place of baking powder. It also requires an acid to react and if your recipe doesn’t have one (or enough of one), it may come out with a metallic soapy taste as a result. The texture could also be impacted, becoming more dense or crumbly. 

To save your recipe, you can try to balance things out by adding an acid if it’s not already present. For example, if the recipe calls for 1 teaspoon of baking powder, and you’ve used baking soda, try adding 2 teaspoons of lemon juice or vinegar. This may not completely correct the issue, especially if the batter or dough has already been mixed and the soda has reacted. But it’s worth a shot, right?

Using Baking Powder instead of Baking Soda

Since baking powder is less potent, it may not produce enough air bubbles, restricting the rise of what you’re baking and leading to a heavier, more compact product. It’s also possible that baking powder may leave a slightly tangy taste and may cause the baked good to brown more quickly than it would have with baking soda. 

To save your recipe after using baking powder instead of baking soda, you may need to increase the quantity to match the strength of baking soda. Generally, you need about 3x the amount of baking powder to equal the power of baking soda. Just be careful here because this can affect the flavor and texture of your end product. 

The Takeaway:

Both baking soda and baking powder are essential tools in a baker's arsenal. Understanding their strengths and weaknesses – and when to use each one – is incredibly helpful to bake confidently. But, if you're like me and tend to bake too quickly sometimes, remember it's generally easier to use baking powder instead of soda rather than the other way around! Either way, now you have some tools and knowledge to help fix it! So, grab your apron, embrace the science, and let the baking adventures begin!

Happy Baking! 

Published on Jan 12, 2024.