Most butter sticks come with printed marks on the wrapper. Those marks are your best friends. Look for the tablespoon lines.
But here’s the kicker: no wrapper has a “2/3 cup” line. That would be too easy. They want you to suffer.
Fun fact: that “1/3 cup” line? Use it. Two of those equal 2/3 cup. You’re welcome.
The Hack That Saves Your Sanity
Water displacement. Fill a measuring cup with 1/3 cup of cold water. Drop in chunks of butter until the water level rises to 1 cup.
Use This Chart if You Need to Change Butter to Grams - Let's Eat Cake
Pull the butter out. Pat it dry. You now have exactly 2/3 cup. You look like a mad scientist.
Is it silly? Absolutely. Does it work? Like a charm. No math required.
