INGREDIENTS
1
Egg yolk, large
1 2/3 cups
All-purpose flour
4 oz
Chocolate, semisweet
1/3 cup
Cocoa powder, unsweetened
1/8 tsp
Cream of tartar
1 1/2 tsp
Diamond crystal kosher salt
1
Sea salt, Flaky
26 tbsp
Sugar
1 1/4 cups
Butter, unsalted
3/4 cup
Heavy cream
3 tbsp
Milk or water
A 9" or 10" tart pan with removable bottom