baking soda 
noun [mass noun]
Sodium bicarbonate used in cooking, for cleaning, or in toothpaste.Sift together the flour, baking powder, baking soda, salt and cinnamon....
- In a medium bowl, combine the rest of the flour with the rest of the baking powder and baking soda, and all of the chopped pistachios.
- Products like cornmeal, baking soda and cornstarch are also not allowed.
- known
- known man
- know no bounds
- know-nothing
- know-nothingism
- know-nothingness
- know-not-what
- known quantity
- know one's onions
- know one's own mind
- know one's way around (or about)
- knowpert
- know someone by sight
- know someone in the biblical sense
- know something backwards
- know something for a fact
- know something inside out
- know something like the back of one's hand
- know the ropes
- know the score
- know what one is about
- know what one is talking about
- know what one likes
- know what's what
- know which side one's bread is buttered (on)