If you're looking for a keto baking powder (a grain free baking powder), the easiest way to accomplish this is to make it yourself. This is my go-to recipe for grain free baking powder because it's easy to make on the fly. Happy baking!
To make your grain-free baking powder, all you need to do mix baking soda and cream of tartar
Use the adjuster in this recipe card to adjust how much you want to make. One batch will yield 1 tablespoon of baking powder.
You should use this right away. It's generally not recommended to make this homemade baking soda in a large batch and store it in the cupboard because it will lose its effectiveness. However, I find it is very fast and easy to mix this up quickly when baking.
You'll notice carbs in the nutrition facts and this is because cream of tarter contains some carbs.