What is affect of using cornstarch on the height of a brownie?

Using cornstarch in brownie recipes can lead to a slightly higher and more cake-like texture. Cornstarch acts as a thickening agent, which can create a lighter structure by reducing gluten formation. This helps the brownies rise more during baking, resulting in a taller finished product compared to recipes that only use flour. However, too much cornstarch can also make the brownies dry, so it’s important to balance it with other ingredients.