Baking Powder (Best Option)
3 teaspoons baking powder per 1 teaspoon baking sodaBaking powder contains both an acid and a base, allowing it to produce carbon dioxide gas when moistened and heated, which leavens cupcakes effectively. It compensates for the absence of baking soda's alkalinity by providing a balanced reaction.
To ensure success, reduce or eliminate any acidic ingredients in the recipe to avoid over-acidification. Monitor the batter's consistency as baking powder can sometimes cause a slightly different rise.
Compared to baking soda, baking powder yields a more neutral flavor and a tender crumb but may be less potent, requiring a higher quantity to achieve similar leavening.