Researchers made replicas of Neolithic clay trays and baked their own focaccia bread (Credit: Sergio Taranto/ CC-BY-SA-2.0/ Scientific Reports)

Focaccia bread is often credited to the ancient Romans, who baked it about 2,000 years ago. However, new research suggests Neolithic communities were making their own version of the delicious bread as far back as 9,000 years ago.