Final answer:
Lox is a delicacy made from the brined and smoked belly of a salmon, known for its smoky flavor and enjoyed commonly with cream cheese and bagels.
Step-by-step explanation:
The traditional component, lox, which is often enjoyed with cream cheese and bagels, is made from the brined and smoked belly of a salmon fish. This delicacy is known for its rich, smoky flavor and is a staple in American Jewish cuisine. Preparing lox involves a process of curing the salmon belly in a salt solution (brine) and then smoking it to achieve the characteristic taste.