Just because you’re missing half the ingredients doesn’t mean you shouldn’t make cookies.
If you run out of baking powder, mix baking soda with cream of tartar.
Elise Bauer / simplyrecipes.com
Mix white sugar and molasses to make brown sugar.
Get the instructions from Joy The Baker.
Joy Wilson / joythebaker.com
You can substitute regular milk + lemon juice or vinegar for buttermilk.
The acid will curdle the milk a little bit, add tangy flavor, and activate baking soda the same way buttermilk would. Here's how to do it.
Emma Christensen / thekitchn.com