If you want to mill your own flour at home without a dedicated miller, take these tips from baking expert Jerrelle Guy on the best practices.

Begin by selecting your raw materials. For wheat flour, choose hard or soft wheat berries; stores like Whole Foods will typically have these in the bulk section, as will other natural foods shops ...

Since then, One Mighty Mill has expanded to Hyde Park where they built three stone mills that turn wheat into flour. They only partner with local, organic farmers that don't use pesticides.

To make oat flour at home, grind rolled oats in a blender, working in batches of 1–2 cups oats so it doesn’t clog up the machine. Sift your oat flour through a fine-mesh sieve before using.