01 -
Bring chicken broth and salt to a boil in a wide pot.
02 -
Add cauliflower florets. Reduce to low, cover, and steam for 20 minutes until fork-tender.
03 -
Transfer cauliflower to a food processor with a slotted spoon.
04 -
In the pot, whisk butter into 3 tablespoons of hot broth until smooth.
05 -
Pour butter mixture into processor with thyme, pepper, and salt to taste. Blend until completely smooth. Adjust texture with warm broth if needed.
06 -
Serve the purée warm.