How To Make AP (All-Purpose) Flour from Fresh Milled Flour. Can this even be done? The answer isn't as simple as you might think. In this post I will share with you a simple blend of freshly milled flours that will work in most recipes that call for "All-Purpose" flour. However, it is important to note, that this blend will not work great for breads, or anything you need a lot of gluten structure for. SO, let's dive in together to learn how to make AP flour with fresh milled flour.