In this task, you have to identify the named entities (NER) which are the ingredients required given its directions. Named entities are the names of the items without their quantity.
Q: Melt butter in medium skillet on medium heat. Add cream; bring to a boil. Reduce heat to low; simmer, uncovered, for 5 mins or until mixture reduces by half., Remove pan from heat. Gradually add cheeses, stirring until sauce is almost smooth. Serve sauce with gnocchi or pasta.
A: 
butter, heavy cream, Gorgonzola cheese, pecorino cheese, cheese, Parmesan cheese