What is the Collective noun for tomato sauce?

There isn't a specific collective noun for tomato sauce. It's not like a group of birds (a flock) or a group of wolves (a pack).

You might describe it as a "batch" or a "jar" of tomato sauce, but those are more about the container than the sauce itself.

If you're looking for a more creative way to describe it, you could use a metaphor, like a "sea" or "pool" of tomato sauce.