After 6 minutes the souffl s will start rising. The souffl s will straighten themselves out. Serve immediately with a scoop of lemon grass ice cream. If there's enough time let the lemon grass steep in the milk overnight. Bring to scalding.
Hand whisk the yolks in a stainless steel bowl.
Temper the yolks by adding only a ladle of hot milk to the yolks. Mix well then add tempered yolks back to the sauce pan. Whisk constantly on medium heat for 2 minutes. Strain and cool in an ice bath. When mixture is cooled add heavy cream.