Reply To: Is Laboratory-Grown Hamburger Kosher? Home › Forums › Kashruth › Is Laboratory-Grown Hamburger Kosher? › Reply To: Is Laboratory-Grown Hamburger Kosher? August 6, 2013 3:14 pm at 3:14 pm #969837 Rav TuvParticipant RD- If anyone can find a heter, I’m sure you can.