Given the task definition and input, reply with output. 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.

In separate batches, pulse the chuck and the sirloin in a food processor 10 times., Combine the chuck, sirloin, and kosher salt in a large bowl., Form the meat into 5-ounce patties., Heat a cast iron skillet or griddle over medium-high heat for 2 to 3 minutes., Place the hamburger patties in the pan., For medium-rare burgers, cook the patties for 4 minutes on each side., For medium burgers, cook the patties for 5 minutes on each side., Flip the burgers only once during cooking.
chuck, sirloin, kosher salt