Baking a Sponge Cake is an art and even most seasoned cooks sometimes struggle to get the right spongy texture. Generally all cake recipes require using egg to make it soft, and due to this, baking a cake at home becomes prohibitive if you don’t prefer to use egg or follow strict vegetarian food diet. With this Eggless Vanilla Sponge Cake Recipe’s step by step photo guide, carefully measured ingredients and detailed explanation of process, making a soft and spongy cake at home is very easy. Unlike other Vanilla Cake Recipes, this recipe doesn’t use butter or condensed milk. Instead, it uses plain curd (yogurt), baking soda and baking powder to make the cake spongy and fluffy. Plain curd and baking soda reacts with one another which makes cake soft while baking powder makes it raise during baking, giving it a light and fluffy texture.