Make sure you are developing the
gluten properly. Gluten gives bread dough dough stretchability and strength. The more developed the gluten is, the bigger the holes will be able to grow in the bread as it rises and bakes, because the walls of the holes can stretch without breaking. An under-developed dough results in a denser end product with smaller holes, because they collapsed due to a lack of gluten. Gluten also helps to achieve that nice chew that people look for in a good, rustic loaf of bread.
To test, take a small piece of the dough you have been kneading, and while turning it in your fingers, gradually and very sloooooowly stretch it out. Similar to stretching out a pizza crust. See how thin it gets before it rips, and a hole forms. it should get thin enough so that you can hold it up to newspaper print and read the print. The term
"windowpane" is used to describe this. After a while you will get a good feel for this.
Also,
fat will shorten your dough(meaning prevent the gluten from developing, or cutting through it), making a denser product. I'm not sure that the amount you are using makes a difference, but it may. Ingredients containing fat, like cheese, may also have this effect.
What others have said about the
type of flour you should use is true, too. In order of protein content, highest to lowest, the types of flours go:
Whole Wheat, Bread, All Purpose, Pastry, and Cake. Generally the higher the protein content, the stronger the gluten will be. Whole wheat flour is different, because even though it has a high protein content, the hard pieces of wheat bran in the flour shorten the dough by cutting through the gluten strands.
The type of yeast you use won't make a difference in the airiness of the bread, I don't think. However using a homemade starter or poolish might change things.
As far as moisture goes, I was taught that there should not be too little or too much water. gently press the dough against the top of your hand, and it should feel like healthy moist lips. Not wet lips. And it definitely should not stick. Too much water will also serve to inhibit gluten development.
Making sure the dough
rises properly both times is another factor that will determine the airiness of your product. Times vary, but the dough needs to double each time. Another test to make sure the dough has risen properly is to dip a finger in flour, then poke your dough, going in two to three inches. If the hole your finger makes stays, the dough is ready. If the hole immediately starts to fill back in, the dough is not ready. Don't do the finger test after the second rise, because you want to be very careful not to let any air escape between this time and the actual baking. Make sure the loaves are completely formed before the second rise. right before baking, slash the dough to allow steam to escape and give the finished product a nice look. Note that overproofing your dough means that the yeast converted too much sugar into alcohol, and will give the finished product a yucky alcoholic flavor.
If you want a rustic floured look, very lightly dust the loaves of dough with flour directly before baking.
Allow the bread to cool completely before cutting into it.
Note- that loaf of no knead dough you made looks good on the inside, but it doesn't have the nice smooth crust that a well kneaded loaf of bread has. I wonder, does the finished product have a nice chew to it like a kneaded loaf would have as a result of gluten development?
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