Source  Good Life Eats

Recipe Added:  8/26/2012

1/2 Cup: Add 1 Tbsp cornstarch to a 1/2 cup measuring cup. Fill the remaining space with flour. Pour into a bowl and whisk to combine.

1 Cup: Add 2 Tbsp cornstarch to a 1 cup measuring cup. Fill the remaining space with flour. Pour into a bowl and whisk to combine.

2 cups: Combine 1/4 cup cornstarch and 1 3/4 cups flour. Pour into a bowl and whisk to combine.

1. http://www.goodlifeeats.com/2011/09/kitchen-tip-diy-homemade-cake-flour.html