Chili Pepper Chocolate


7 oz (200 grams) of dark chocolate (at least 60% cocoa)
1 1/2 cup of whole milk
1/2 cup of heavy cream
5 egg yolks
Pinch of salt
1/3 cup of sugar
1/4 teaspoon of chili pepper (or another spice of your choice, e.g. ground cinnamon or cardamom)
Boiling water