You could just substitute with extra vegetable broth - it might need a bit more time to thicken up fully. (connoisseurusveg.com)
I just love it as a way to add extra vegetable goodness into my meals. (wallflowerkitchen.com)
I love finding ways to sneak extra vegetables into the dishes I make for my family, without sacrificing taste or texture, and this decadent treat definitely fits the bill. (detoxinista.com)