If you’ve been baking for a while, or even if you’re a new baker, chances are you’ve done some experimenting with ingredients or techniques to see what works best for you. Maybe an experiment goes something like this:
You have a choice of two flours, and you wonder which will produce a better bread. So you take your favorite recipe and bake it twice, once with flour A, and once with flour B. Except for changing the flour (the experimental variable) you keep everything else the same: the other ingredients, the fermentation time, the baking time and temperature. You like Loaf A better, so you conclude that Flour A is better.
Here is an experiment I did a while ago, but I’m not going to say what the experimental variable was, just yet.
I like the loaf on the left better because the grigne (cut) opened up much more nicely than the one on the right.