Is swan down cake flour the same as soft silk flour?

No, swan down cake flour and soft silk flour are not the same thing. They are both types of cake flour, but they are made by different companies.

* Swan Down Cake Flour is a brand of cake flour produced by Clabber Girl.

* Soft Silk Cake Flour is a brand of cake flour produced by Pillsbury.

Both brands are known for being finely ground and low in protein, which are the key characteristics of cake flour. However, they might have slightly different formulas and production processes, resulting in subtle variations in texture and baking performance.

If you are looking for a specific cake flour brand, you should purchase the one that is recommended in your recipe. Otherwise, either brand will work well for most cakes.