Complex sentence: Couverture chocolate is chocolate with a high cocoa butter content used by gourmet and culinary professionals, who praise Callebaut couverture chocolate for its extraordinary workability, reliability and taste, which has remained constant over the decades.
Split into simpler sentences: Couverture chocolate is chocolate with a high cocoa butter content used by gourmet and culinary professionals. Many professionals who use Callebaut couverture chocolate trust in it for its workability and typical taste, which has remained constant over the decades.