With the Zebra billy, I drill the "plate" to turn it into a rudimentary sieve. This is because my two main staple food items are rice and pasta. This has the added advantage that you can use it as a steamer too.
This simple mod makes life better for me, as I no longer lose half of my dinner in the grass, meaning camp site stays clean and I stay well fed!
Now that's a good idea. I'm off to get my drill, no more scalded fingers trying to hold the lid on and drain the can