Galette des Rois (The Best)

Instructions

1. 1

   In a pot off the heat, combine the cornstarch and ¼ cup (55 g) of the sugar. Add the egg and mix well. Add the milk, rum and vanilla. Bring to a boil over medium-high heat, whisking constantly. Simmer for 1 minute. Remove from the heat.

2. 2

   In a bowl, combine the butter, ground almonds and remaining sugar with a wooden spoon. Using a whisk or spatula, fold in the warm pastry cream. Cover and refrigerate for 1 hour until the cream has set.