We're glad to hear that you've been enjoying this recipe, Ken! When using a glass pan, are you lowering the oven temperature by 25°F? While using the lower temperature to allows for the brownies to bake more evenly, this can extend the bake time a tad. Another reason for a baking time that is longer than expected is if the oven is running low — we suggest using a secondary oven thermometer to ensure that your oven is running at the proper temperature. We hope this helps and happy baking! 

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