Vegetable Broth (Best Option)
1:1 (1 cup vegetable broth per 1 cup chicken broth)Vegetable broth works well because it provides a similar liquid base and umami notes from vegetables like onions, carrots, and celery, which mimic the mild savory profile of chicken broth. The broth’s water content and dissolved solids help maintain the sauce’s proper consistency and mouthfeel.
To ensure success, use a low-sodium vegetable broth to control salt levels, and avoid overly strong or spiced varieties that could clash with the cream sauce’s delicate flavor. Simmering the broth briefly with aromatics can enhance its compatibility.
Compared to chicken broth, vegetable broth produces a slightly lighter and more neutral flavor, which can be beneficial in cream sauces where you want the dairy and other ingredients to shine without competing with a strong meat flavor.