We tried every common brownie alteration, substitution and mistake – 14 recipes

Whether you prefer your fudgy and gooey or pillowy soft and cakey, making the perfect brownie is harder than you might think. From swapping out butter for apple sauce or peanut butter to using extra eggs to doubling the chocolate, Insider’s Lisa Paradise made 14 different brownies, starting with Chrissy Teigen's recipe as a base, to see how every single common baking mistake affects your final bake.