@HuhFaceSus A bug report for the quick meals is here if you were unaware. Sims cook but don't autonomously eat/cook more/eat quick meal instead.
You can give your foodie sim a bar, though they make a lot of drinks on them and definitely need a treadmill in the house. I've had luck getting them to use that autonomously instead of water. They still go get water sometimes.
I like the idea of special water upgrades for foodie sims. I wonder if the lot trait for water fixes that for foodies? I haven't tried it.
You could also add a juice machine and have them make fizzy drinks, then put them in the fridge. My sims tend to go for those first most of the time. But they still go after water at a sink, just not as much. But there is a drawback, unless you queue them to sit down afterwards, they will stand in front of the fridge to drink them and block the fridge for other sims.
Hope this helps.
