One revolution I have realized in baking is the recent trend to start talking about weight and not volume in recipes for certain dry ingredients like flour. Three cups of fluffy sifted flour is a lot less flour than three cups of densely packed flour. Same with brown sugar, or wondering if you need a “flat teaspoon” vs. a “heaping teaspoon” of something.
I was out of sugar, so I tried to sweeten Kool-Aid with honey. Nope. Just god-awful.