Vanilla: the vanilla is optional but very recommended. it provides a rich flavor towards the cake and is completely worth including! Vanilla extract: Pure vanilla extract adds excellent flavor. Make an effort to use it as an alternative to the artificially flavored things. Check out the recipe card at the https://myfirstbookmark.com/story12977955/helping-the-others-realize-the-advantages-of-keto-chocolate-mug-cake