Chocolat à pâtisser : baking
This one is special, you can also eat it straight, but it's specially made for making desserts.
How to use it ?
Most of the time you need to melt it (bain marie / double boiler).
Put the chocolate in a bowl, set it over a pan of simmering water and let it melt slowly while stirring. Add some milk, butter or cream depending on the recipe or your own taste. That's it.
Where to find it ?
With the other types of chocolate
How to store it ?
Several weeks in a cupboard, not in the fridge.