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Best Cake Flour Substitute in Focaccia

5 tested options with exact ratios, science-backed explanations, and tips for success.

Quick Answer

The best substitute for Cake Flour in Focaccia is All-Purpose Flour with Cornstarch because it closely mimics the lower protein content of cake flour, resulting in a tender crumb without compromising the structure needed for focaccia's characteristic chewiness.

Top 5 Cake Flour Substitutes for Focaccia

Substitute Ratio
All-Purpose Flour with Cornstarch (Best) For every 1 cup cake flour, use 1 cup all-purpose flour minus 2 tablespoons, plus 2 tablespoons cornstarch
Pastry Flour 1:1 substitution for cake flour
All-Purpose Flour 1:1 substitution for cake flour
White Whole Wheat Flour with Cornstarch For every 1 cup cake flour, use 3/4 cup white whole wheat flour plus 1/4 cup cornstarch
Spelt Flour 1:1 substitution for cake flour

Detailed Guide: Each Cake Flour Substitute in Focaccia

All-Purpose Flour with Cornstarch (Best Option)

For every 1 cup cake flour, use 1 cup all-purpose flour minus 2 tablespoons, plus 2 tablespoons cornstarch
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Quick tip: This blend reduces protein content to approximate cake flour, maintaining a tender crumb with enough structure for focaccia.

Cake flour has a lower protein content (7-9%) compared to all-purpose flour (10-12%), which results in less gluten formation and a softer texture. Adding cornstarch dilutes the protein in all-purpose flour, mimicking cake flour’s properties. This balance is crucial in focaccia to achieve a tender yet chewy crumb.

To succeed, thoroughly sift the all-purpose flour and cornstarch together to ensure even distribution. Avoid over-kneading the dough to prevent toughening. Monitor hydration as this substitution may slightly absorb less water.

The final focaccia will have a slightly lighter texture than using straight all-purpose flour, with a tender crumb and good chewiness, closely resembling the original cake flour-based dough.

Pastry Flour

1:1 substitution for cake flour
Vegan Dairy-Free Nut-Free Fat-Free
Quick tip: Pastry flour has a slightly higher protein than cake flour but still produces a tender crumb suitable for focaccia.

Pastry flour typically contains 8-9% protein, making it a good middle ground between cake and all-purpose flour. It provides enough gluten development for focaccia’s structure while maintaining tenderness.

When using pastry flour, watch dough hydration and kneading time to avoid over-developing gluten, which can toughen the bread.

The resulting focaccia will be slightly firmer than with cake flour but still tender and light, with a good balance of chewiness and softness.

All-Purpose Flour

1:1 substitution for cake flour
Vegan Dairy-Free Nut-Free Fat-Free
Quick tip: Using straight all-purpose flour will yield a slightly denser and chewier focaccia but is acceptable in most cases.

All-purpose flour has a higher protein content than cake flour, leading to more gluten formation and a firmer texture. In focaccia, this can result in a chewier crumb and less tender bite.

To mitigate toughness, reduce kneading time and slightly increase hydration to keep the dough soft and extensible.

The final bread will be heartier and less delicate but still maintain the essential focaccia characteristics.

White Whole Wheat Flour with Cornstarch

For every 1 cup cake flour, use 3/4 cup white whole wheat flour plus 1/4 cup cornstarch
Vegan Dairy-Free Nut-Free Fat-Free
Quick tip: This blend adds fiber and nutrients but may produce a denser focaccia with a nuttier flavor.

White whole wheat flour has a higher protein and bran content than cake flour, which can make focaccia denser and less tender. Adding cornstarch reduces protein concentration and softens the texture.

Ensure thorough mixing and slightly increase hydration to compensate for bran’s water absorption. Knead gently to avoid toughness.

The focaccia will have a more rustic texture and flavor, with a slightly heavier crumb and subtle nuttiness compared to cake flour.

Spelt Flour

1:1 substitution for cake flour
Vegan Dairy-Free Nut-Free Fat-Free
Quick tip: Spelt flour provides a mild nutty flavor and tender crumb but can be more delicate to handle.

Spelt flour has a protein content similar to all-purpose flour but with a more fragile gluten structure. This can yield a tender focaccia but requires careful handling to avoid overworking the dough.

Use gentle kneading and monitor hydration closely, as spelt absorbs water differently. The dough may be stickier and less elastic.

The final focaccia will have a slightly different flavor profile and a tender crumb, though it may be less chewy and more crumbly than with cake flour.

Vegan Cake Flour Substitutes for Focaccia

Full Vegan guide →
All-Purpose Flour with Cornstarch
Ratio: For every 1 cup cake flour, use 1 cup all-purpose flour minus 2 tablespoons, plus 2 tablespoons cornstarch

This blend reduces protein content to approximate cake flour, maintaining a tender crumb with enough structure for focaccia.

Pastry Flour
Ratio: 1:1 substitution for cake flour

Pastry flour has a slightly higher protein than cake flour but still produces a tender crumb suitable for focaccia.

All-Purpose Flour
Ratio: 1:1 substitution for cake flour

Using straight all-purpose flour will yield a slightly denser and chewier focaccia but is acceptable in most cases.

White Whole Wheat Flour with Cornstarch
Ratio: For every 1 cup cake flour, use 3/4 cup white whole wheat flour plus 1/4 cup cornstarch

This blend adds fiber and nutrients but may produce a denser focaccia with a nuttier flavor.

Spelt Flour
Ratio: 1:1 substitution for cake flour

Spelt flour provides a mild nutty flavor and tender crumb but can be more delicate to handle.

Dairy-Free Cake Flour Substitutes for Focaccia

Full Dairy-Free guide →
All-Purpose Flour with Cornstarch
Ratio: For every 1 cup cake flour, use 1 cup all-purpose flour minus 2 tablespoons, plus 2 tablespoons cornstarch

This blend reduces protein content to approximate cake flour, maintaining a tender crumb with enough structure for focaccia.

Pastry Flour
Ratio: 1:1 substitution for cake flour

Pastry flour has a slightly higher protein than cake flour but still produces a tender crumb suitable for focaccia.

All-Purpose Flour
Ratio: 1:1 substitution for cake flour

Using straight all-purpose flour will yield a slightly denser and chewier focaccia but is acceptable in most cases.

White Whole Wheat Flour with Cornstarch
Ratio: For every 1 cup cake flour, use 3/4 cup white whole wheat flour plus 1/4 cup cornstarch

This blend adds fiber and nutrients but may produce a denser focaccia with a nuttier flavor.

Spelt Flour
Ratio: 1:1 substitution for cake flour

Spelt flour provides a mild nutty flavor and tender crumb but can be more delicate to handle.

❌ What NOT to Use as a Cake Flour Substitute in Focaccia

Bread Flour

Bread flour has a high protein content which develops more gluten, making the focaccia overly chewy and dense rather than light and tender. This disrupts the delicate texture balance that cake flour provides.

Self-Rising Flour

Self-rising flour contains added leavening agents and salt, which can interfere with the yeast fermentation process in focaccia dough, leading to unpredictable rise and flavor.

Gluten-Free Flour Blends

Most gluten-free blends lack the gluten structure necessary for focaccia’s characteristic airy and chewy texture, resulting in a crumbly or overly dense bread that doesn’t hold its shape well.

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