A new bag of flour can make a familiar recipe feel unfamiliar. The dough may drink up the water, spread more easily, or bake into a closer crumb. Before changing your folding routine, check what changed in the bowl.
Use the flour your recipe names. Bread flour is a helpful starting point for a freestanding loaf; all-purpose can work well, too. Add whole grains gradually as you learn the dough.
Your flour at a glance.
| Flour | What it brings | What to expect |
|---|---|---|
| Bread flour | More dough strength and chew. | A useful base for a loaf baked without a pan. Usually takes more water than a comparable all-purpose flour. |
| All-purpose flour | An adaptable white wheat flour. | Can make good sourdough. A lower-protein brand may give a softer dough at the same hydration. |
| Whole wheat | The bran, germ and endosperm; a fuller wheat flavor. | Usually needs more water and time to hydrate. Expect a different crumb from an all-white loaf. |
| Rye | An earthy flavor and a stickier dough. | Does not build a wheat-like gluten network. For a rye-heavy loaf, use a recipe designed for rye. |
| Spelt | A type of wheat with a mild, nutty flavor. | Often stretches readily but holds its shape less firmly. Handle gently and follow a spelt-specific formula for large additions. |
| Cake & pastry flour | Lower-protein wheat flour for tenderness. | Better for cakes, biscuits and pastry than as the main flour in a tall sourdough loaf. |
These are tendencies, not identical specifications across brands. Baking references below explain the differences in more detail.
Three things to read on the bag.
The grain
Wheat, rye and spelt do not behave alike. Spelt is wheat; rye is a different grain.
Whole or refined
Whole wheat includes bran and germ. White bread flour and white all-purpose flour have most of these removed.
The protein
A useful clue to strength when comparing similar wheat flours. It cannot describe the whole dough on its own.
For a concrete example, King Arthur lists its bread flour at 12.7% protein and all-purpose at 11.7%. Those are product specifications, not worldwide definitions. Another brand’s all-purpose flour may behave differently. Read the manufacturer’s explanation.
A high protein number does not guarantee a taller loaf. In whole wheat, bran changes how the dough develops and holds gas; whole-wheat pastry flour is also made from softer wheat. With rye or spelt, protein behaves differently again. Choose for the bread you want to eat, then judge the dough in front of you.
What about 00, white whole wheat and self-rising?
00: an Italian classification describing refinement. It does not mean “low protein.” Check the flour’s protein specification and intended use; a pizza flour and a pastry flour can both carry the label.
White whole wheat: wholegrain flour from white wheat, with a milder flavor than traditional red whole wheat. “White” describes the wheat variety here, not the removal of bran and germ.
Self-rising: contains added leavening, and often salt; King Arthur’s version includes both. It is not a straight substitute for plain flour in a sourdough recipe.
Dark rye: naming varies by producer. Check whether it is wholegrain instead of judging by color alone.
Change the flour. Watch the water.
The same hydration can feel very different with a different flour. Bread flour often absorbs more water than comparable all-purpose flour; wholegrain flours bring another change. Baker Andrew Janjigian explains how flour changes dough consistency. A wet-feeling dough does not automatically need more kneading.
- Start with one change. Keep your usual batch size and method. Swap a measured amount of flour instead of adding a handful on top.
- Hold back a little water if the recipe allows. Give the flour time to hydrate, then decide whether to add the rest. Record the water actually used.
- Watch fermentation. A new flour blend can change the dough’s pace and feel. Use expansion, bubbles and strength together with your timing notes.
80% white flour + 20% whole wheat
For 500g total flour, that means 400g white flour + 100g whole wheat, including the flour inside your starter.
Using 100g of a 100%-hydration white-flour starter? It contributes 50g flour and 50g water. Add 350g white flour + 100g whole wheat to reach that blend.
This illustrates flour accounting, not a complete bread recipe. Water, salt and fermentation still need a suitable formula.For a mostly whole-wheat, rye or spelt loaf, start with a recipe developed for that flour. A major swap deserves more than a guess at the water.
Does your starter need the same flour?
No. A starter maintained with white flour can raise a dough containing whole wheat or rye. Its flour still counts toward the loaf’s total blend.
Wholegrain rye or whole wheat is also used to begin a new starter; King Arthur’s starter method begins with wholegrain flour and then feeds all-purpose. Once yours is established, a consistent feeding flour makes its rise easier to compare. A flour change alone is not proof that it is ready to bake.
Starting with an empty jar? Our illustrated starter routine gives you the gram amounts and daily steps.
Sources & further reading
The comparison describes general baking behavior. Check your product’s specifications and follow a formula suited to its flour.
- King Arthur Baking: Protein percentage in flour
- King Arthur Baking: Flour types and self-rising flour
- King Arthur Baking: Bread flour vs. all-purpose flour
- King Arthur Baking: Whole grains
- King Arthur Baking: Types of rye flour
- King Arthur Baking: Working with rye dough
- Andrew Janjigian / Wordloaf: Know your dough
- Molino Bertolo: Flour classifications and strength
- King Arthur Baking: Sourdough starter recipe
Keep exploring: Whole wheat & rye · Understanding hydration · Keep a bake log.