Nora Ephron’s mother on toasted almonds, bruised ice cubes and brittle men.

Nora Ephron’s stunning novel, Heartburn is autobiographical.

But, it’s also fiction, which makes it a bit of a chore to separate what is true from what is not.

What I do know is that it’s loosely based on her tumultuous marriage to Carl Bernstein (the investigative journalist made famous by his reporting on…