Is Cake Flour The Same As Plain Flour

Is Cake Flour The Same As Plain Flour?

When it comes to baking, the choice of flour plays a crucial role in determining the texture and structure of your baked goods. Two commonly used flours are cake flour and plain flour, but are they the same?

In this article, we will delve into the characteristics, differences, and best applications of cake flour and plain flour. By the end, you’ll have a clear understanding of which flour to reach for to achieve the desired results in your baking endeavors.

Understanding Cake Flour and Plain Flour

Cake flour is a finely milled, low-protein flour primarily used for making delicate and tender cakes. It is made from soft wheat varieties that have a lower protein content compared to all-purpose or bread flour. The reduced protein content contributes to a lighter, softer texture in baked goods.

Decoding Plain Flour

Plain flour, also known as all-purpose flour, is a versatile pantry staple suitable for various culinary applications. It is a blend of hard and soft wheat varieties, making it suitable for a wide range of recipes, including cakes, bread, pastries, and more.

Is Cake Flour The Same As Plain Flour

Key Differences Between Cake Flour and Plain Flour

Protein Content

The primary distinction between cake flour and plain flour lies in their protein content. Cake flour typically contains around 6-8% protein, while plain flour usually has a protein content of 10-12%. The lower protein in cake flour results in less gluten formation, leading to a tender crumb and fine texture in cakes.

Texture and Structure

Due to the lower protein content, cake flour produces cakes that are soft, moist, and velvety in texture. It promotes a tight crumb structure and a tender bite, making it ideal for delicate baked goods such as sponges, chiffon cakes, and cupcakes. On the other hand, plain flour creates a crumb structure, suitable for bread, cookies, and pastries that require more structure and chewiness.

Absorption and Hydration

Cake flour has a higher absorption capacity, meaning it can absorb more liquid compared to plain flour. This characteristic allows for better moisture retention, resulting in moist and tender cakes. In contrast, plain flour has a lower absorption capacity, making it suitable for recipes that require a sturdier structure and less moisture retention.

Rising Ability

Cake flour has a lower protein content, resulting in less gluten formation. This leads to a weaker network of gluten, reducing the cake’s rising ability. On the other hand, plain flour, with its higher protein content, creates a stronger gluten structure, allowing bread and other yeast-based recipes to rise more effectively.

Best Usage Scenarios

When to Use Cake Flour

Cake flour shines in recipes that prioritize tenderness, such as light and airy cakes, cupcakes, and delicate pastries. Its fine texture and low protein content make it the ideal choice for achieving a velvety crumb and soft bite. However, it may not be suitable for recipes requiring a more substantial structure or when a chewier texture is desired.

When to Use Plain Flour

Plain flour’s versatility makes it a pantry staple for various baking needs. It is suitable for recipes ranging from bread and cookies to pie crusts and quick breads. The higher protein content in plain flour contributes to a more robust gluten structure, providing the necessary elasticity and chewiness in these baked goods.

Is Cake Flour The Same As Plain Flour

Substituting Cake Flour and Plain Flour

Cake Flour Substitutes

In case you find yourself in need of cake flour but don’t have it on hand, there are a few alternatives you can use. One option is to create your own cake flour substitute by combining all-purpose flour with cornstarch. For every cup of cake flour needed, measure out one cup of all-purpose flour, remove two tablespoons, and replace them with two tablespoons of cornstarch. Sift the mixture thoroughly to ensure even distribution. Another alternative is using pastry flour, which has a slightly higher protein content than cake flour but can still produce tender results in cakes.

Plain Flour Substitutes

Conversely, if a recipe calls for plain flour but you only have cake flour available, you can make a substitution as well. For every cup of plain flour required, use one cup of cake flour, but keep in mind that the resulting texture may be lighter and more tender than intended.

Tips for Working with Cake Flour and Plain Flour

Handling Cake Flour

When using cake flour, it’s essential to handle it with care to prevent overmixing and developing excessive gluten. To achieve the desired tender texture, sift the cake flour before measuring to remove any lumps and ensure proper aeration. When incorporating the flour into the batter, mix gently and avoid overmixing, as this can lead to a denser final product.

Utilizing Plain Flour’s Versatility

Plain flour’s versatility allows for a wide range of baked goods, but it’s crucial to understand how it behaves in different recipes. For bread and other yeast-based recipes, kneading the dough thoroughly helps develop gluten for a chewier texture. In contrast, for delicate pastries and flaky pie crusts, handle the dough with a light touch to avoid toughness.

Is Cake Flour The Same As Plain Flour


Cake flour and plain flour share some similarities, they differ significantly in their protein content, texture, and best usage scenarios. Cake flour’s low protein content creates a tender and fine crumb, making it perfect for delicate cakes and pastries.

Plain flour’s versatility and higher protein content make it suitable for a wide range of recipes, including bread, cookies, and pastries that require more structure. Understanding these differences and knowing when to use each type of flour will empower you to achieve the desired results in your baking endeavors.

So, whether you’re aiming for a light and fluffy cake or a chewy loaf of bread, choosing the right flour is key to baking success.

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