Baked Baking Soda (Sodium Carbonate) Recipe
Sodium carbonate is a strong alkaline salt that is used in making ramen (noodles), among other foods.
[Photograph: Vicky Wasik]
Heating baking soda makes it transform from sodium bicarbonate into sodium carbonate, which is a stronger alkaline salt. Baked baking soda is useful for applications in which a strong alkaline salt is required, such as in making ramen (noodles).
Why It Works
- Placing baking soda in a hot oven will transform it from sodium bicarbonate into sodium carbonate, a stronger alkaline salt.
- By tracking the change in weight of the baking soda as it bakes, you will know when the transformation from sodium bicarbonate to sodium carbonate is complete.
Read more: The Ultimate Guide to Making Ramen Noodles at Home
- Yield:Makes 613g of baked baking soda (sodium carbonate)
- Active time: 10 minutes
- Total time:3 hours
- Rated:
Ingredients
- 920g (about 32oz) baking soda
Directions
-
1.
Preheat oven to 350°F.
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2.
Line a rimmed baking sheet with foil. Note the weight of the foil-lined baking sheet using a digital scale. Spread baking soda in an even layer and place baking sheet in oven.
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3.
Bake, stirring the baking soda every half hour, until the weight of the baking soda is reduced to 613g (~21 oz), which is 2/3 of the starting weight (weigh the baking sheet with the baking soda, then deduct the recorded weight of the lined baking sheet to determine the weight of the baking soda itself). The amount of time this can take can vary quite a bit, anywhere from 2 to 5 hours.
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4.
Remove from the oven and, when cool, store in an airtight container; be careful not to handle the baked baking soda with bare skin.
This Recipe Appears In
The Ultimate Guide to Making Ramen Noodles at HomeThis post may contain links to Amazon or other partners; your purchases via these links can benefit Serious Eats. Read more about our affiliate linking policy.
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