What happens next?

How to make a cake vegan
Review the recipe to determine the non-vegan ingredients.
Typical non-vegan cake baking ingredients include eggs, butter, milk and even refined white sugar, which is manufactured with animal bones.
Search your pantry for items that make good substitutes for the non-vegan cake ingredients.
Most non-vegan cake ingredients such as eggs and butter can be easily replaced with typical household grocery items. For example, bananas and applesauce replace eggs and margarine replaces butter.