01
Whole Wheat Flour
10.0best for biscuits1 cup : 1 cup
Not GF; similar hearty texture
10.0
oat flour substitute
in biscuits.
Oat Flour layered with fat gives Biscuits their signature flaky lift. The stand-in needs comparable starch and protein to keep those layers distinct.
top substitutes
adjustment for this dish
Whole wheat flour has 12-14% gluten versus oat flour's zero, so biscuits will turn tough if kneaded past 4 folds — stop at 2 folds and work dough under 45 seconds. Cut in butter the same cold (<40°F), but expect a heartier, less tender crumb; add 1 tbsp extra buttermilk per cup to compensate for wheat's tighter hydration. The stack-and-pull-apart layers will be more pronounced thanks to real gluten.
02
All-Purpose Flour
10.0best for biscuits1 cup : 1 cup
Lighter result, not GF
10.0
adjustment for this dish
All-purpose flour has 10-12% gluten, so biscuit dough develops structure on its own — no xanthan or binder needed. Cut cold butter in to pea-size just as with oat flour, but reduce buttermilk by 1 tbsp per cup because AP holds less water than oat's beta-glucan. Fold 3-4 times for flaky layers; the crumb will be lighter and fluffier than oat's short bite.
03
Spelt Flour
10.0best for biscuits1 cup : 1 cup
Mild nutty flavor, not GF
10.0
adjustment for this dish
Spelt flour has fragile gluten (around 10%) that breaks if kneaded beyond 3 folds; with cold butter cut in, handle the dough even less than you would oat flour. Drop liquid by 2 tbsp per cup — spelt absorbs less than oat. Expect a nutty, tender biscuit with visible layers that pull apart cleanly, but stack carefully because spelt's softer gluten won't rise as dramatically.
show 9 more substitutes
04
Buckwheat Flour
10.01 cup : 1 cup
Earthier but GF compatible
10.0
adjustment for this dish
Buckwheat flour is gluten-free and crumbly like oat, but its tannins make the crumb bitter if used 100% — cap at 50% buckwheat with 50% AP flour. Keep butter below 40°F to cut in; the short, gray-flecked crumb won't pull apart in laminated layers but will bake into a tender, earthy biscuit with chill-then-bake handling identical to oat flour.
05
Rice Flour
10.01 cup : 1 cup
Not GF; adds slight oat flavor
10.0
adjustment for this dish
Rice flour is gluten-free and gritty without a binder — add 1 tsp xanthan gum per cup to prevent crumbly biscuits. Unlike oat flour's creamy hydration, rice flour absorbs liquid fast and fully within 1 minute; no rest period needed. Cut in cold butter, chill shaped rounds 15 minutes; expect a shorter, whiter crumb that's tender rather than flaky.
06
Sorghum Flour
10.01 cup : 1 cup
Mild flavor, similar density
10.0
07
Barley Flour
10.01 cup : 1 cup
Slightly sweet grain flour with mild chew; similar protein, adds hearty depth to breads and muffins
10.0
08
Bread Flour
10.01 cup : 1/2 cup
Blend with AP flour; adds moisture and softness
10.0
09
Cornmeal
6.71 cup : 1 cup
Coarser grind adds gritty texture; toast first for nutty flavor, works in breading and corn-based batters
6.7
10
Cake Flour
6.71 cup : 1 cup
Finer, lower-protein flour yields tender crumb; sift before measuring and reduce liquid by 1-2 tbsp
6.7
11
Crumbs Bread
5.01 cup : 1 cup
Coarse crumbs add crunch, not binding power; use in toppings and breading, not as a flour replacement in batter
5.0
12
Coconut Flour
6.71/4 cup : 1 cup
Very absorbent, use 1/4 cup plus extra liquid
6.7
technique for biscuits
technique
Oat flour in biscuits soaks up 30% more buttermilk than wheat flour because its beta-glucan gums are thirsty, so when you cut in cold butter the dough looks drier than you expect — resist adding liquid. The fat pieces must stay pea-sized and below 40°F; oat flour has zero gluten, so those butter shards are the ONLY thing forcing steam pockets that pull apart into flaky layers when you bake at 425°F for 12-14 minutes.
Unlike scones where a single fold is enough, biscuits need 3-4 quick folds to stack the laminated sheets that pull apart. Pat the dough to exactly 3/4 inch before you scoop or cut straight down — never twist the cutter, which seals the edges and kills the rise.
Chill the shaped rounds 15 minutes on the sheet before they go in so butter re-solidifies. A short-textured, tender crumb is the giveaway that oat flour over-hydrated; if that happens, a tablespoon of cornstarch per cup sharpens the fluffy lift.
pitfalls to avoid
watch out
Don't twist the cutter — pressing straight down keeps the laminated layers free to pull apart; twisting seals edges and caps the rise to a squat puck.
watch out
Avoid adding extra buttermilk when the dough looks dry; oat flour hydrates over 2-3 minutes, so a sticky dough now means a tough, short biscuit later.
watch out
Chill the shaped rounds 15 minutes before baking at 425°F; warm butter melts into the flour instead of forming the steam pockets that stack into flaky sheets.
watch out
Skip over-kneading — more than 4 folds compresses the cold butter and kills the tender crumb.
watch out
Don't swap in room-temp butter; cubes must be below 40°F to cut in as distinct pieces and bake into the lift.