Babies are a great first food that many babies love. Teach your baby the sign for the word banana in baby sign language with the following description and video.
Hold a fist in front of the body with the index finger pointing up. Use the other hand to mimic peeling a banana.
Acredolo, Linda & Susan Goodwyn. 2009. Baby signs: How to talk with your baby before your baby can talk, 3rd edn. New York: McGraw Hill.