A jar of homemade gluten-free flour blend beside bowls of rice flour, potato starch, and tapioca

Our Gluten-Free Flour Blend

The all-purpose blend we reach for at the bakery: white rice, potato starch, tapioca, and xanthan. Here's the ratio, a jar-sized batch, and how to use it.

Skip to the blend ↓

People kept asking me to pull this out on its own, so here it is. This is the workhorse gluten-free blend we use for most of our cakes and muffins — a mix of one flour and two starches, with xanthan already stirred in to do the binding.

There's no single all-purpose gluten-free flour. Each flour brings a different property, and a blend is how you get close to what wheat does on its own. This one leans on white rice flour for a neutral base, potato starch and tapioca flour for structure and chew, and a little xanthan gum to hold it all together. For the why behind each one, see the starter guide to gluten-free flours and the binders post.

Gluten-Free Flour Blend

Makes

About 510g

Keeps

Months, airtight

The ratio

Everything is proportional, so you can scale it to any amount. The base unit:

IngredientBaseJar batch% of blend
White rice flour (finely ground)33g330g64.7%
Potato starch11g110g21.6%
Tapioca flour6g60g11.8%
Xanthan gum1g10g2.0%
Total51g510g100%

Make it

  1. Weigh all four into a large jar or airtight container.
  2. Whisk thoroughly so the xanthan is evenly distributed — you don’t want a clump of it landing in one bake.
  3. Store airtight and dry. Whisk again before scooping, then weigh out what your recipe needs.

How to Use It

It already has xanthan in it. If a recipe calls for this blend, don’t add more xanthan. If a recipe calls for a store-bought blend that doesn’t contain xanthan, this one already covers it.

Weigh, don’t scoop. Gluten-free flours pack differently than wheat, so grams are far more reliable than cups. If you only have cups, spoon it in and level — don’t dip and pack.

It’s a base, not a magic swap. This blend is tuned for cakes and muffins. Bread and cookies want different ratios and different binders — that’s the whole point of the flours guide. Use this where a recipe asks for an all-purpose gluten-free blend, and let the recipe handle the leavening and moisture.