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I had been bugging Momoreg and AnnaW about this and now I will bug all of you!
Where can I find this stuff? I know it exists out there... somewhere. When I worked in the bakery at Fresh Fields/Whole Foods Market, we sometimes got it in. And yes, now I am kicking myself for not making a note of the brand on the 50# bag. I've searched on engines several times, called different mills, and looked in health food stores and I just can't find the stuff.
On another note... can I make it myself? When I worked at a different Fresh Fields, our angel food cake was made with pastry flour since we could only use organic flours and that was the lowest gluten flour we had. The product came out "ok", but it still screamed for less gluten and more starch. Then we got in a formula calling for less pastry flour with some added cornstarch. And voila! The cakes started coming out normal. If I remember correctly, the ratio was 7 parts pastry flour to 1 part cornstarch. I've seen a few other angel food cake recipes also calling for cornstarch along with the cake flour so I'm not sure if this pastry flour/cornstarch mix is an actual substitute for cake flour in other recipes? I remember doing a gluten test in one of my pastry classes where we took equal amounts of bread, AP, and cake flour and individually mixed them water. Then we kneaded the doughs and washed out the starches to show how much gluten was left behind in each one. Of course the bread flour ball was the biggest, while the cake flour ball was the size of a pea. Some groups' cake flour ball just disintergrated. So that's why I'm wondering if it's possible to just take pastry flour and add some type of starch, either cornstarch or potato, tapioca or what have you. What is the gluten content of cake flour anyway?
On another note... can I make it myself? When I worked at a different Fresh Fields, our angel food cake was made with pastry flour since we could only use organic flours and that was the lowest gluten flour we had. The product came out "ok", but it still screamed for less gluten and more starch. Then we got in a formula calling for less pastry flour with some added cornstarch. And voila! The cakes started coming out normal. If I remember correctly, the ratio was 7 parts pastry flour to 1 part cornstarch. I've seen a few other angel food cake recipes also calling for cornstarch along with the cake flour so I'm not sure if this pastry flour/cornstarch mix is an actual substitute for cake flour in other recipes? I remember doing a gluten test in one of my pastry classes where we took equal amounts of bread, AP, and cake flour and individually mixed them water. Then we kneaded the doughs and washed out the starches to show how much gluten was left behind in each one. Of course the bread flour ball was the biggest, while the cake flour ball was the size of a pea. Some groups' cake flour ball just disintergrated. So that's why I'm wondering if it's possible to just take pastry flour and add some type of starch, either cornstarch or potato, tapioca or what have you. What is the gluten content of cake flour anyway?