To dream of smelling or tasting vanilla represents a welcoming experience or inviting situation. Feeling that you belong or that only good things can happen.
Example: A man dreamed that the sky was made of vanilla. In waking life he was experiencing a lot of growth with his business after fearing that it would never going work. The vanilla sky represented his awareness of his business life continually drawing him towards all he wanted and making him feel comfortable investing more in it.