The present disclosure provides a method for thermally sealing a filled chewing gum product. The fill material of the chewing gum product is heated to a temperature greater than about 40° C. which correspondingly heats the inner portion of the chewing gum material to an elevated temperature. The method further includes sealing the heated inner portion of the chewing gum material to form a sealed, filled chewing gum product. The present disclosure advantageously increases the bond strength of the sealed ends of the sealed and filled chewing gum product and reduces the amount of unacceptable product or leakers.