I've always frozen pie crusts and scones but never tried biscuits before so this is a good excuse. Can I use Bakewell as a general purpose substitute for baking powder? And is it double-acting or only heat activated? Have you ever thought of making a silicone pad like the one in the article with concentric circles on one side and a grid in one or half inch increments on the other for square things? Thanks Bakewell cream is a chemical that behaves similar to cream of tartar. It is not a direct substitute for baking powder, but used together with baking soda, can provide a perfect leavening combination. Thank you so much for your great silicone mat suggestion. ~Amy

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