What to use if you don't have baking soda
baking banana nut bread and don't have baking soda. What can I use instead?
You can of course always use baking powder. You can also try using 1/2 teaspoon potassium bicarbonate or cream of tarter. You want to make sure you use something you can not simply leave out that ingredient.
Go to the store
Mix baking powder & tartar.