1Melt the canna-butter in a saucepan over medium heat.
2Add heavy cream, stirring constantly.
3Add in salt, nutmeg, grated Parmesan cheese, and grated Romano cheese.
4Stir until melted, then mix in egg yolk.
5Allow to simmer over medium low heat for 3 to 5 minutes.
6Feel free to garnish with additional grated Parmesan cheese to your liking.