AdvertisementHey, Baby, Meet Peanuts: How And When To Safely Introduce The FoodNovember 11, 2016Patti NeighmondfacebookEmailPeanuts and straight peanut butter are a choking hazard for infants, doctors say, but a bit of watered-down puree of peanut butter, starting at around 6-months-old, can help prevent peanut allergies. (Getty Images)