Low-FODMAP Flours: Which to Bake With (and Which to Skip)

Michael Eisenwasser 7 min read

Baking is one of the first things that falls apart on elimination. Wheat is the default flour in almost every recipe, wheat is high in fructans, and the obvious swap (a "gluten-free all-purpose blend") can quietly contain inulin or chicory root that sends you right back to where you started.

The good news: there's a deep bench of low-FODMAP flours that work well on their own or blended. Many of them have tested low-FODMAP serves generous enough for a batch of pancakes, a loaf of quick bread, or a tray of cookies. You just have to know which ones, and which supposedly safe options to watch for.

The short answer

Low at typical baking serves: white rice, brown rice, buckwheat, quinoa, corn, masa harina, sorghum, teff, millet, potato starch, tapioca starch, maize starch, arrowroot, and green banana flour. Oat flour is low in small serves. Almond meal is low in small serves. Check the Monash app for current tested gram weights, individual serves vary by flour.

Skip during elimination: wheat, rye, barley, spelt (unless it's organic sieved spelt, or long-fermented sourdough), coconut flour, lupin, and soy flour. Chickpea flour sits in the "watch the serve" category rather than fully banned. Amaranth is portion-sensitive, check the app.

For a frame of reference on why fructans in wheat are the issue, see what are FODMAPs and FODMAP vs gluten sensitivity.

Low-FODMAP flours worth stocking

Rice flour (white and brown). The workhorse. Low at 2/3 cup (100 g), neutral, and the base of most commercial GF blends. White rice is the most forgiving; brown adds a nuttier note and some fiber but can taste grainy in delicate bakes.

Buckwheat flour. Low at 2/3 cup (100 g). Despite the name, buckwheat isn't wheat, it's a seed. Strong, earthy flavor. Great in pancakes, crepes, and rustic breads.

Quinoa flour. Low at 2/3 cup (100 g). Slightly bitter raw; mellows with baking. Works well mixed into blends at 10 to 25 percent. More on the grain in is quinoa low FODMAP.

Oat flour. Low at small serves. Oat FODMAP content climbs with portion, so oat flour is a good secondary component in a blend rather than the entire base of a recipe. Use certified gluten-free oats if you're also sensitive to gluten cross-contact.

Potato starch. Low at 2/3 cup (100 g). Different from potato flour (which is whole dried potato and not the same ingredient). Starch gives GF baked goods lift and tenderness and is a standard component of blends.

Tapioca starch (tapioca flour). Low at 2/3 cup (100 g). Adds chew and browning. Critical in GF bread recipes and pizza crusts.

Corn flour and masa harina. Both low at 2/3 cup (100 g). Cornbread, tortillas, tamales, arepas, all low-FODMAP territory. Masa harina (nixtamalized corn) has a distinct flavor and doesn't substitute for generic corn flour in most recipes.

Almond meal/almond flour. Low at a much smaller serve, 1/4 cup (24 g). That's the catch. It's everywhere in grain-free baking, but the tested low serve is modest. Muffins built on a cup of almond meal per portion will overshoot. Use it as a supporting flour during elimination.

Sorghum flour. Low at 2/3 cup (100 g). Mild, slightly sweet. One of the better single-flour options for quick breads.

Teff flour. Low at 2/3 cup (100 g). The grain used in Ethiopian injera. Malty, good in brownies and darker bakes.

Millet flour. Low at 2/3 cup (100 g). Light and mild, good in blends.

Arrowroot and green banana flour. Both low at 2/3 cup (100 g). Useful as thickeners or in small amounts in blends. Green banana flour is a neutral, fine-textured starch that works well in pancakes.

Flours to skip during elimination

Wheat, rye, and barley. The big three high-fructan grains. Small amounts of wheat (a few crackers, a trace in soy sauce) are usually fine, but wheat as the base of a loaf, pasta, or cake is elimination-off-limits. Rye is higher-fructan than wheat. Barley flour follows the same pattern. Monash's guidance on wheat during elimination covers this.

Spelt (mostly). Regular spelt flour (white, wholemeal, or organic unsieved) tests high at baking serves. One exception: organic sieved spelt flour has tested low at 2/3 cup, apparently because the sieving removes some of the fructan-heavier bran. The other exception is long-fermented spelt sourdough, where the fermentation itself breaks down fructans. See is sourdough low FODMAP for the full picture on that.

Coconut flour. This one surprises people. Coconut flour tests high at modest serves (a few tablespoons is the ballpark, check the current Monash entry). It's a concentrated product with a different FODMAP profile from coconut milk or shredded coconut. Recipes that lean on half a cup or more of coconut flour are firmly in high-FODMAP territory during elimination.

Chickpea flour (besan, gram flour). Chickpea flour is ground dried chickpeas, so it keeps the GOS that canned-and-rinsed chickpeas lose to the brine. Treat it as portion-sensitive. Small amounts folded into a batter may land fine; chickpea-flour flatbreads or socca as a main dish are an easy way to stack past threshold. See are chickpeas low FODMAP for the canned-vs-dried mechanism.

Soy flour, lupin, einkorn, emmer, kamut. Either tested high or suspected high. Skip during elimination. Amaranth is portion-sensitive, check the app rather than assuming either direction.

Gluten-free blends: read the label

Here's where a lot of people get tripped up. A bag labeled "gluten-free all-purpose flour" is not automatically low FODMAP. Plenty of GF blends add inulin or chicory root fiber as a texture or fiber booster, and both are high-fructan. A perfectly compliant batch of muffins can turn into a symptom flare if the blend underneath was inulin-enriched.

Scan the ingredient list for: inulin, chicory root, chicory root fiber, chicory root extract, agave inulin. If any of those are in the blend, it's not low FODMAP, regardless of what the front of the bag says.

A few specific blends that tend to test clean (always verify the current formulation on the bag):

• Bob's Red Mill Gluten Free 1-to-1 Baking Flour (blue label). Rice-based, with potato starch, tapioca, and xanthan gum. Widely available in the US. Bakes closest to wheat.
• King Arthur Gluten-Free Measure for Measure Flour. Rice-based, behaves more like cake flour.
• Authentic Foods GF Classical Blend. Gum-free, rice and starch based.
• Better Batter All-Purpose Flour. Includes pectin, which helps with yeasted bakes.

Note: the blue-label Bob's is the low-FODMAP friendly one. Bob's makes a separate gluten-free blend with garbanzo (chickpea) and fava bean flour that is not low FODMAP.

Blends to inspect carefully: Arrowhead Mills organic gluten-free blends (historically include inulin), anything labeled "high fiber" gluten-free flour (usually chicory root or inulin), and chickpea-flour-forward blends.

A workable home setup

You don't need ten bags of flour. Two practical setups:

Minimalist. One bag of Bob's Red Mill 1-to-1 for general baking, plus almond meal for small additions. That's enough to bake most quick breads, pancakes, cookies, and muffins during elimination.

A little more range. Add rice flour (white), tapioca starch, and either buckwheat or oat flour. With those five, you can cover pancakes, waffles, cookies, quick breads, pizza crust, and flatbreads without reaching for a wheat substitute that might backfire. A full GF pantry overview lives in low-FODMAP pantry staples.

For recipes that actually use these flours, browse the recipe section, which stays elimination-friendly by default.

Serving size still matters

Tested low serves are per-serve, not per-batch. A loaf of quick bread uses 2 cups of flour and gets cut into 8 to 10 slices. Per slice, you're well under the tested serve. That's the math behind most low-FODMAP baking recipes. Cup-to-gram weights vary by flour, so weigh and match against the Monash app entry if you want to be precise.

Where people overshoot is single-portion, flour-heavy foods. A socca (chickpea flour flatbread) for one is a cup of chickpea flour in a plate. A coconut flour mug cake is 1/4 cup of coconut flour in one serving. The flour math stops being forgiving when a single portion contains most of the bag.

The other lurking issue is FODMAP stacking. Two pancakes made with oat flour is fine. Two pancakes plus a glass of oat milk plus oats for breakfast is three oat sources in one meal, and the tested-low serves weren't designed to stack like that.

Bottom line

Low-FODMAP baking isn't about one miracle substitute for wheat. It's about picking from a wide list of low-at-serve flours (rice, buckwheat, oat, quinoa, sorghum, teff, corn, potato starch, tapioca) and knowing the traps: coconut flour tests high at small serves, chickpea flour is portion-sensitive, and plenty of gluten-free blends sneak in inulin or chicory root.

Get a clean blend on the shelf, add almond meal for small additions, and most of your usual baking translates across. Regular wheat goes back on the table during reintroduction, where fructans are one of the standard challenges and many people tolerate modest wheat portions again.

Track your symptoms and discover patterns with FODMAP Tracker. Includes a database of 1,000+ foods with FODMAP ratings.