baking bread

Hello fellow bread makers and bakers. I am an avid sourdough baker and have transformed all of my bakeware/cookware to PFA/non toxic since getting birds. I only use ceramic, glass and cast iron. However, I recently have been seeing so many great things about the silicone bread mats used to take...

Hey, I am trying to cook some bird bread, the recipe said 35-40 mins at 325 degrees but I already I had to put it back in for 30mins and the middle still feels squishy and moist? Is that normal? I have it in the oven again for 10 more mins. I pinched it together in one spot in the picture...