Dexter (showtime, 2006-2013)
Film someone cooking. You might choose to make an instructional video or something more narrative; see how the characters are emphasised through action and film language in the second and third videos.
This is most obviously a cinematography task. Lighting, focus and movement are paramount. However, it could equally show your abilities as an editor or a sound designer. As ever, just know what you are being assessed as and plan for that role.
Assessment criteria for the portfolio are here.
Eat Drink Man Woman (Ang Lee, 1994)