Supper for a buck?
...alternatively, the small amount of extra flour needed for the sourdough starter. But how do you calculate starter costs, since it involves constant feeding over time? And what about energy costs to run the oven? Or the investment in the Dutch oven we use to bake the bread, amortized over time? This way lies madness. [Note: I have gone a little mad so I just figured out that there are 636 1/4 teaspoon measures in 1 pound of active dried yeast. 636...