- 1 cup oat flour = 1¼ cups rolled oats blitzed in a food processor or blenderPulse 30–60 seconds until powdery. Sift to remove larger flakes if texture matters.
Oat flour substitutes
Tested swaps for oat flour, with ratios and sources.
Measure substitutes by weight where you can. The Oat flour converter gives the grams.
Note: our substitutions are direct, not chained — we don't recommend substituting a substitute.