Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make oat flour [title] Measure out a portion of oats. [step] The type of oats traditionally used for oat flour are called " rolled oats. " these can be bought for cheap at many grocery stores, but are not always available.

Ending1: Luckily, you can use instant, quick-cook, or steel cut as well--the only difference is grain size, and you're grinding them all up anyway. [substeps] Don't use oats that have been flavored in any way, as this flavor will work into your final dish. Ending2: To begin making the first batch of oat flour, add just a few tablespoons of rolled oats to the same amount that you used for the next batch of oat flour. [substeps] For more detailed instructions, see the " the whole wheat flour group " section of this article. Ending3: Instead, measure out a small amount (around half an ounce) and fry in a pan over low heat for roughly two minutes. [substeps] You can also use oats cooking oil instead. Ending4: Find oat flour at most health food stores. [substeps] If you're looking for oat flour for short-term use, measure out a portion.

Answer format: ending1/ending2/ending3/ending4