Baking

Self-Raising Flour

Wheat flour pre-blended with baking powder and salt for quick rises.

Self-raising flour is plain wheat flour mixed with a measured amount of baking powder and a little salt so doughs and batters rise without added leavener. It is a convenience staple for scones, quick breads, cakes, and pancakes. Because the leavening loses potency over time, it is best used reasonably fresh.

Self-raising flour is wheat flour that has been commercially milled with a measured amount of baking powder and salt blended evenly throughout. The pre-packaged leavening eliminates the need to measure and sift these ingredients separately each time you bake, making it a genuine labor-saver for everyday baking. In the UK and Commonwealth countries, the standard ratio is approximately 1 teaspoon of baking powder and ¼ teaspoon of salt per 100 grams of flour—conventions so established that most British recipes simply call for "self-raising flour" without specifying quantities. The leavening agent used is almost always double-acting baking powder, which releases gas in two stages: first when combined with liquid, and again during heating, giving batters a reliable and forgiving rise. This matters because self-raising flour produces a lighter, more tender crumb than plain flour in quick breads and cakes, but it requires restraint: overmixing develops gluten strands that fight against the lift the baking powder provides, resulting in a tough, dense texture rather than the delicate, open crumb you expect. Understanding this behavior is the difference between a fluffy Victoria sponge and a leaden brick.

Measured in: g
Storage: Pantry

Allergens

Gluten

Types & varieties

Standard Self-Raising Flour

Refined wheat flour with standard baking powder ratio; most common in UK, Australia, and Ireland

Wholemeal Self-Raising Flour

Contains part or all whole wheat flour; denser texture, nuttier flavor; may require slightly more liquid in recipes

Gluten-Free Self-Raising Flour

Blends of rice flour, tapioca starch, potato starch, and maize; often requires xanthan gum for structure

Supermarket Branded

Widely available; leavening ratios vary by manufacturer—check packaging when following precision recipes

Common uses

Victoria sponge cakes and classic British teatime cakesScones, soda bread, and traditional Irish wheaten breadAmerican-style biscuits and quick dumplingsPancakes, crumpets, and drop sconesFruit-based tray bakes and simple everyday cakesYorkshire pudding batter in some regional recipesCheese scones and savory quick breadsMuffins and plain cupcakes

Tips & pitfalls

Test freshness by mixing 1 tsp of the flour with ¼ cup hot water—vigorous bubbling indicates active baking powder, while weak or no reaction means the leavening has degraded
Sift twice before use to distribute leavening evenly and incorporate air for lighter, more uniform results
Do not overmix once liquid is added—stir until just combined; visible lumps in the batter are acceptable and preferred over smooth, developed batter
Never substitute self-raising flour for bread flour in yeasted recipes—the pre-added baking powder will not replicate yeast activity and may disrupt gluten structure, producing a dense, strange result
For savory applications like cheese scones, add mix-ins such as grated cheddar and herbs before the final fold to ensure even distribution without breaking down the batter
Avoid adding extra baking powder or soda to recipes already using self-raising flour—double-leavening causes excessive rise followed by collapse, often with a bitter metallic taste
When adapting American recipes that call for self-rising flour, account for the pre-added leavening to prevent over-expansion; conversely, when converting British recipes to US ingredients, use the all-purpose plus leavening substitute to maintain the intended lift
Rest batter for 10–15 minutes after mixing for thicker scones and fluffier drop scones—the hydration allows gluten to relax and starch to absorb liquid fully

Nutrition

No USDA FoodData Central match for Self-Raising Flour yet. We surface a per-100 g profile once a generic whole-food entry is matched and verified.

In the shops

Matched grocery products

No matched grocery products for Self-Raising Flour yet.

Good to know

Composition: Wheat flour blended with approximately 1 tsp baking powder and ¼ tsp salt per 100g (UK standard)
Leavening Agent: Double-acting baking powder, releasing gas first when mixed with liquid, then again when heated
Protein Content: Typically 8–10%, similar to all-purpose/plain flour—lower than bread flour
Origin: Commercial production began in the late 19th century alongside widespread baking powder adoption
Shelf Life: 6–12 months in cool, dry pantry storage; leavening potency declines noticeably over time
Storage: Airtight container in cool, dry location; freezing extends shelf life significantly
Gluten Risk: Minimal mixing required—overworking develops gluten, producing tough crumb in quick breads

Substitutes

All-Purpose Flour + Baking Powder + Salt — Mix 1 cup flour + 1½ tsp baking powder + ¼ tsp salt; sift together at least three times for even distribution and use immediately for best results
Cake Flour + Baking Powder — Use 1 cup cake flour + 1½ tsp baking powder + ¼ tsp salt; yields a finer, more tender crumb than the standard all-purpose substitute
Bread Flour Substitutes Not Applicable — Self-raising flour cannot substitute for bread flour in yeasted recipes—protein content and leavening timing differ fundamentally

Pairs with

Butter and SugarEggsGolden Syrup and TreacleFresh FruitsSharp Cheddar and HerbsButtermilk or Sour Milk

Also called

Self-Rising Flour