1-Place the chopped chocolate in a medium: Place the chopped chocolate in a medium bowl with the coffee, salt, and vanilla and set aside.
2-In a small saucepan, heat the cream: In a small saucepan, heat the cream over medium heat until a few bubble forms around the edge.
3-Pour the hot cream over the bowl: Pour the hot cream over the bowl with the chocolate. Let stand for 5 minutes to melt the chocolate, then whisk until combined.
4-Whisk egg yolks and sugar thoroughly and: Whisk egg yolks and sugar thoroughly and combine with the chocolate and cream.
5-Add the mixture to the saucepan and: Add the mixture to the saucepan and cook over medium heat, stirring constantly until the mixture coats the back of the spoon, about 4 minutes.
6-Divide among ramekins or dessert dishes, cover: Divide among ramekins or dessert dishes, cover with plastic wrap, and refrigerate until cool and slightly firm (anywhere from 1 to 3 hours (different chocolates take different times to set back up after melting).