Powdered milk is ordinary milk that has been dehydrated; it still has most of the minerals, such as protein and calcium, but it lacks enzymes that help break down fat, such as lipase. With careful ...
Other than being acidic, curdled milk bears no resemblance to buttermilk, and it cannot deliver the goods. It's akin to rice cakes in lieu of hot biscuits, or, yes, water for chocolate. Dry powdered ...