Hi Al, we use this approach but with parchment paper instead of a silicone baking mat. We tend to save that tool for baking delicate cookies or sticky baked goods. Our parchment paper is safe up to 450°F, so it's fine for most artisan bread recipes. A silicone baking mat would likely insulate the bottom of the loaf from the direct heat of the stone or baking sheet, preventing the bottom from becoming crispy and brown. Kye@KAF

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