Hey Aileen use whatever baking powder you have. The double acting just adds that tiny edge to the dough for the best oven spring. But all baking powders will work. Be sure to see the carbs to ensure you are keeping your net carbs as low as possible.

Our dear Slomo looks good! Remember he is a babe in the wood, just brought to life. As he ages so will his beneficial gifts! Watch him over the next couple of days. This is really good fermentation for only 4 days of feedings!

Will definitely keep an eye on my little overachiever.