Bring the milk, honey and 50 grams of the sugar to a simmer
Meanwhile, in a bowl, whisk together the egg yolks and the remaining sugar until pale and fluffy
When the milk mixture is just boiling, pour half of it over the egg and sugar mixture, whisking vigorously until smooth
Pour the egg/milk mixture into the remaining milk, whisk and heat to reach 181°F (83ºC). Do not let the mixture boil
Pour the milk over the Ivoire 35% white chocolate
Blend in a food processor to get a homogeneous mixture. Cover with plastic wrap and place in the refrigerator for at least 3 hours or overnight