Granite slab "a la" Alfonso
I have setup a granite slab to bake some baggies up to 12" long. Following Alfonso's setup, this one seems to work quite well. My oven has no bottom heating element, so I have to flip the baggies to color their bottoms. No big deal, and some initial poolish baggies yield seen below. Yep, they look more like batards, but tasted great.