Want to see more vegan brownie recipes here? Help out the vegan baking community by submitting your own! A brownie is a bar or square that utilizes chocolate. It has a texture between a cookie and a cake and is baked in a flat, square dish. Brownies contain a large amount of fat and sugar in relation to water which gives them a dense and soft texture. Vegan brownie recipes use egg replacers instead of eggs and other usually solid fats instead of butter.