Unprocessed bread comes down to simple ingredients and traditional methods. At its most basic, bread requires only flour, water, salt, and a leavening agent like wild yeast or commercial yeast. When you strip away the emulsifiers, preservatives, dough conditioners, and sweeteners found in store-bought loaves, you’re left with something closer to what humans have baked for thousands of years. Here’s how to do it at home.
What Makes Bread “Processed”
Under the NOVA food classification system used by nutrition researchers, homemade and artisanal breads are excluded from the “ultra-processed” category. The dividing line is ingredients. Ultra-processed breads are formulated mostly or entirely from industrial ingredients: hydrogenated oils, high-fructose corn syrup, dough conditioners, emulsifiers, and preservatives designed to extend shelf life and create a uniformly soft texture. Mass-produced sliced bread is the classic example.
Unprocessed (or minimally processed) bread, by contrast, uses whole or near-whole foods as its foundation. The only “processing” involved is mixing, fermenting, and baking, all of which you control. If every ingredient on the list is something your great-grandmother would recognize, you’re in the right territory.
Choosing Your Flour
Flour is the single biggest ingredient in bread, so it has the largest impact on nutrition. Commercial white flour has been stripped of bran and germ, removing most of the fiber, iron, zinc, phosphorus, and antioxidant compounds. A quarter cup of stone-ground whole wheat flour contains about 5 grams of fiber and 6 grams of protein, far more than its refined counterpart. If you want truly unprocessed bread, whole grain flour is the starting point.
Stone-ground flour retains more of the grain’s original structure because it’s crushed between stones rather than passed through high-speed steel rollers that generate heat and separate components. Some home bakers go a step further and mill their own grain with a countertop grain mill. Freshly milled flour has the advantage of minimal oxidation, since the oils in the germ begin degrading once exposed to air. The tradeoff is that fresh-milled whole grain flour can produce a denser loaf until you learn to adjust hydration and fermentation times.
Sprouted grain flour is another option worth considering. During germination, the grain breaks down some of its starch, which increases the relative concentration of folate, iron, vitamin C, zinc, magnesium, and protein. You can buy sprouted flour or sprout whole grain berries at home before drying and milling them.
A Note on Ancient Grains
Einkorn, emmer, and spelt are often marketed as gentler alternatives to modern wheat. The reality is more nuanced. These ancient varieties actually contain more total protein and gluten than modern bread wheat, not less. However, they lack the D genome, which means they don’t produce a specific protein fragment (the 33-mer peptide) that is a strong trigger for celiac disease in genetically susceptible people. For people without celiac disease or diagnosed gluten sensitivity, ancient grains offer interesting flavors but aren’t necessarily easier to digest on their own. Paired with long fermentation, though, they can make exceptional bread.
The Simplest Yeast Bread Recipe
If you’ve never baked bread before, start here. You need four ingredients:
- 3 cups whole wheat flour (stone-ground if available)
- 1¼ cups warm water (around 105°F / 40°C)
- 1 packet active dry yeast (about 2¼ teaspoons)
- 1½ teaspoons salt
Dissolve the yeast in warm water and let it sit for five to ten minutes until it foams. Mix in the flour and salt until a shaggy dough forms. Knead on a floured surface for about ten minutes until the dough is smooth and elastic. Place it in a lightly oiled bowl, cover with a damp towel, and let it rise in a warm spot for one to two hours until it doubles in size. Punch the dough down, shape it into a loaf, place it in a greased loaf pan, and let it rise again for 30 to 45 minutes. Bake at 375°F (190°C) for 30 to 35 minutes. The loaf is done when it sounds hollow if you tap the bottom.
That’s it. No sugar, no oil, no preservatives. You can add a tablespoon of olive oil or honey if you want a softer crumb or slightly sweeter flavor, but neither is required.
Why Sourdough Takes It Further
Commercial yeast makes bread rise, but sourdough fermentation does far more. A sourdough starter is a living culture of wild yeast and lactic acid bacteria that you maintain with regular feedings of flour and water. The long, slow fermentation (typically 8 to 24 hours) transforms the bread in ways that fast-risen yeast bread can’t match.
Sourdough fermentation reduces phytic acid, a compound in whole grains that binds to minerals and limits absorption, by about 62%. Yeast fermentation only manages around 38%. This means the iron, zinc, magnesium, and calcium in your whole grain flour become significantly more available to your body. The bacteria also break down FODMAPs, the short-chain carbohydrates that cause bloating and discomfort in many people. For those who find regular whole wheat bread hard on the stomach, sourdough is often noticeably easier to tolerate.
The glycemic impact is lower too. Control breads made with commercial yeast score an estimated glycemic index around 77 to 79, while traditionally fermented sourdough breads come in around 61 to 66. That’s the difference between a high-GI food and a medium-GI food, which matters for blood sugar management.
While the live bacteria don’t survive baking temperatures, the fermentation process still produces prebiotics, compounds that feed beneficial gut bacteria. One example is beta-glucan, released by lactobacilli during fermentation, which supports the growth of probiotic organisms in your digestive system.
Making a Sourdough Starter From Scratch
Creating a starter takes about five to seven days. Mix equal parts whole wheat flour and water (about half a cup of each) in a glass jar. Cover loosely and leave at room temperature. Every 24 hours, discard half the mixture and feed it with another half cup each of flour and water. By day three or four, you should see bubbles forming. By day five to seven, the starter should reliably double in size within four to six hours of feeding. At that point, it’s active enough to leaven bread.
Once established, you can store your starter in the refrigerator and feed it once a week. It will last indefinitely with regular maintenance. Some bakers maintain starters for decades.
A Basic Sourdough Loaf
Combine one cup of active starter with 3 cups of whole wheat flour, 1 cup of water, and 1½ teaspoons of salt. Mix until combined, then let the dough rest for 30 minutes (this is called autolyse, and it allows the flour to fully hydrate). Knead or use a series of stretch-and-folds over the next two to three hours: every 30 minutes, pull one side of the dough up and fold it over itself, rotating the bowl a quarter turn and repeating four times.
After the stretch-and-fold period, let the dough bulk ferment at room temperature for another three to five hours, or until it has grown by roughly 50% and looks puffy with visible bubbles. Shape it into a round or oval, place it seam-side up in a floured proofing basket or a bowl lined with a floured kitchen towel, and refrigerate overnight (8 to 12 hours). This cold proof develops flavor and makes the dough easier to handle.
The next morning, preheat your oven to 450°F (230°C) with a Dutch oven inside. Turn the dough out onto parchment paper, score the top with a sharp knife or razor blade, and lower it into the hot Dutch oven. Bake covered for 30 minutes, then uncovered for 15 to 20 minutes until the crust is deep golden brown. Let it cool completely on a wire rack before slicing, at least one hour. Cutting into hot bread compresses the crumb and makes it gummy.
Storing Bread Without Preservatives
Homemade bread lacks the preservatives that keep commercial loaves soft for weeks, so storage matters. At room temperature, most additive-free bread stays fresh for two to three days. Sourdough lasts longer than other varieties because its natural acidity slows both staling and mold growth.
A bread box is the ideal storage container. It balances airflow and moisture, keeping the crust from going soft while preventing the interior from drying out. Paper bags, linen bags, and clean kitchen towels work well too. Avoid plastic bags, which trap moisture and make the crust soggy. And keep bread out of the refrigerator. Cold temperatures accelerate starch retrogradation, the process that makes bread go stale, faster than room temperature does.
For longer storage, freezing is your best option. Slice the loaf first so you can pull out individual pieces as needed, wrap tightly in an airtight container or freezer bag, and freeze for up to three months without significant quality loss. Toast slices directly from frozen for the best texture.