The three celeb friends shared plenty of photos of themselves on social media -- posing with their pasta creations and in front of vineyards.
"What an amazingly delicious, educational, and ridiculously FUN time I had with these awesome ladies!!!" Diaz captioned an Instagram photo of herself with Witherspoon, Barrymore and a gaggle of other girlfriends.
Here's Witherspoon making spinach ravioli:
Check out some of the rest of their photos below:
The three A-listers often vacation together -- they visited Mexico last year.
Celebrity Couples of 2014 [PHOTOS]