Greek Yogurt (Best Option)
1:1 by volumeGreek yogurt works well as a sour cream substitute because it has a similar thick, creamy consistency and a natural tanginess due to lactic acid fermentation. This acidity helps cut through the richness of the burger, balancing flavors effectively.
For best results, use full-fat Greek yogurt to maintain creaminess and avoid thinning the burger topping. Stir gently before applying to ensure smoothness.
Compared to sour cream, Greek yogurt may be slightly tangier and less fatty, which can brighten the burger’s flavor and add a subtle protein boost without compromising texture.