The answer is: it depends! While many of these vegan egg replacements are helpful if you're trying to adapt a regular baking recipe into a vegan one, if the recipe calls for more than one egg, you may want to search for a vegan version of the recipe you are trying to adapt. This is because in regular baking recipes, eggs serve two purposes; they give the baked goods structure and act as a leavening agent. Trying to use an egg substitute to do these important tasks in your baking recipe could end in a baking fail. A vegan version of the same recipe will take this into account, using other ingredients to provide the structure and lift that your recipe needs to be a success. So depending on the recipe, you can either use vegan eggs as a 1:1 substitution for regular eggs, or you may want to find a vegan recipe specifically to try (which will, of course, use vegan eggs!)