Baking Soda and Yogurt (Best Option)
1/4 teaspoon baking soda + 1/2 teaspoon yogurt per 1 teaspoon baking powderBaking soda requires an acid to activate its leavening properties. Yogurt provides this acidity, releasing carbon dioxide that helps lighten the texture of curry-based batters or dumplings. This combination mimics baking powder's effect effectively.
Ensure the yogurt is fresh and slightly tangy for optimal activation. Mix immediately before cooking to maximize leavening. Adjust yogurt quantity slightly if the curry is very liquid to avoid thinning.
Compared to baking powder, this substitute introduces a subtle tang that can enhance the curry's complexity, while maintaining a similar lightness and rise in the dish.