This is quite a bit out in left field, but check out this pasta limiter that’s currently one of the hot new releases over on Amazon. It’s essentially an aperture that’s designed for pasta rather than light.
It’s a f/1.0-4.0 pasta limiter that comes in four full stops and three half stops. Set the aperture to a particular number depending on how many servings you’d like to cook, and use the aperture to measure a bundle:
These pasta limiters are currently priced at about $2-4 each over on Amazon. You can use it to teach people about basic photographic principles while you cook spaghetti for them!