This easy gum-free homemade gluten free flour blend can be used in place of all purpose flour in recipes and is worlds above store-bought blends! You need just three gluten free flours to make it, and I’ve included substitution options if needed. Use this blend in cakes, cookies, quick breads, pastries, and more!

A top down shot of a jar of homemade gluten free flour blend.

Best Homemade Gluten Free Flour Blend

I love using gluten free flours in my recipes, and it is fun to experiment with their different flavor profiles when adding them to a recipe. However, sometimes I just don’t have the time to weigh out a bunch of flours! So, I developed this homemade gluten free flour blend for those times when I’m in a rush or just want take out one jar from the pantry! It’s made up of three reliable and, in my opinion, stellar gluten free flours: oat, sweet white rice, and tapioca. The flours work off of each other to create smooth batters and doughs that bake up light, fluffy, and almost indistinguishable from regular baked goods. Plus, no gums are needed! Let’s get to it!

Why You’ll Love It

Not only is this blend super easy to whisk up, you can make a big batch and stash it in the pantry so it’s always ready to go. I like it in brownies, cookies, cakes, for pie crusts, and popped into crisps. You can use it in place of gluten free 1:1 flour in recipes, or try it in conventional recipes. Here’s why I know you’ll be a fan:

Easy to make substitutions if needed. I’ve outlined some substitution suggestions lower down if you need to make ingredient swaps to suit your dietary needs or even just what you have in the cupboard.
Reliable. Commercial mixes are good in that they are reliable, even if they sometimes contain ingredients that you can’t eat or don’t like. My mix is equally as reliable, and it’s made up of simple ingredients that can be adapted if needed!
Great texture. Forget gritty or dry bakes! This beautiful gluten free flour blend creates finished products with a wonderfully light and fluffy texture.
Neutral flavor. This blend seamlessly incorporates into any baked good you can think of without the flavor of any one component overpowering the other ingredients.

Three bowls of labeled gluten free flours for homemade gluten free flour blend.

Ingredients Needed to Make DIY Gluten Free Flour Blend

Just three ingredients are all you’ll need for this blend! I prefer not to use xanthan gum in my recipes, but you can certainly add it to your gluten free batter when using this blend, although in my opinion the batters or doughs won’t need it!

Oat flour – Gluten free oat flour brings structure to the flour blend and is a versatile and economical gluten free flour.
Sweet white rice flour – Also known as mochiko, sweet white rice flour is known for its sticky properties, which work amazingly well in baking gluten free.
Tapioca flour – This starchy flour brings lightness and binding to the gluten free flour blend.

Why Did You Choose These Gluten Free Flours?

You’ll need just three gluten free flours to make this DIY gluten free flour blend: oat flour, tapioca flour (starch), and sweet white rice flour (also known as mochiko). Many of these flours are available at grocery stores, including Whole Foods, and always available online.

As noted, I love oat flour in gluten free baking. It brings a nutty, whole grain hint of sweetness to baked goods and, more importantly, can mimic wheat flour. Oat flour helps to create a fluffy crumb and moist texture which is especially great in gluten-free baking. If you have Celiac or are very sensitive to gluten, make sure to purchase certified gluten free oat flour or certified gluten free oats and make your own oat flour. If you can’t eat oats, I’ve included some substitution suggestions lower down.

While oat flour can often be used interchangeably with wheat flour if you substitute it by weight, for this all purpose gluten free flour blend I wanted to create a blend that was closer to traditional all purpose flour. To accomplish this, I balanced it with tapioca flour to bring a bit of lightness and sweet white rice flour for binding and bounce. I love baking with these two more starchy flours because they help balance out the earthier, heartier oat flour and in combination create baked goods that are almost indistinguishable from regular baked goods.

Are Ratios Important?

Ratios are so important! Figuring out the correct ratio of flours took a little trial and error, but I believe I’ve landed on the correct amounts of flours in proportion to each other to make up this blend. I didn’t want the flour mix to be too heavy nor did I want it to be gritty or produce dry results. To truly mimic the properties of wheat flour it’s best to use a combination of flours – and this one is a winner. If you can, weigh your flours before whisking up the blend. If you don’t have a scale, I’ve also included cup measurements for each flour.

A white bowl of gluten free flour blend.

How Do You Make Your Own Homemade Gluten Free Flour Blend?

Just whisk and you’re done! Seriously, that’s all you need to do to create this flour blend. Make sure to give it a shake or a whisk each before you use it in a recipe to make sure the flour is well blended.

Homemade gluten free flour blend spread out on a counter.

Some Substitution Options

If you can make this blend as written, great! If you need to change it up a bit, I’ve included some options below:

Oat Flour: If you can eat oats, please use it in this blend! Oat flour is so lovely, light, and buttery and works so well in baking. But, if you can’t eat oats, brown rice, sorghum, or millet flour are good substitution options.
Sweet White Rice Flour: Sweet white rice flour is a unique gluten free flour because it has wonderful binding properties without being gritty. I don’t know if there is a direct substitute, however, you could try white rice flour in place of the sweet white rice flour if needed.
Tapioca Flour: You can use arrowroot or potato starch for the tapioca flour.

A bowl of homemade gluten free flour blend with a little bit next to it.

What Can You Make with This Gluten Free Flour Mix?

You can use this mix in most of the recipes on my website – in my section on classic baking recipes that use wheat flour, swap 1 ¼ cups of the blend for every cup of all-purpose or whole wheat flour called for in the ingredients.

For my gluten free recipes, you can total the number of cups of gluten flour or flours (or substitute by weight) and replace them with this gluten free flour blend. For example, in my gluten free carrot cake recipe you can substitute the 2 ¼ cups oat flour with this DIY gluten free mix. Or, in another example, make my gluten-free vanilla birthday cake which uses a blend of quite a few flours (1 cup sweet white rice flour, 1 cup oat flour, ½ cup cup sorghum flour, and ¼ cup each tapioca and potato starch). This totals 3 cups of flours. Simply substitute 3 cups of this gluten free flour blend and save yourself time and energy.

Can I Do a 1:1 Swap for Flour?

Yes, you can substitute this flour blend 1:1 with all purpose flour. However, it’s important to note that one cup of this flour weighs 120 grams. This is fine if your recipe uses 120 grams for a cup of flour. Unfortunately, not every recipe is written to 120 grams – some recipes use flour weights up to 140 grams! I always recommend looking for recipes that include weight measurements if you are adapting them to be gluten free and then using a kitchen scale to measure your flour for the best results.

A glass jar full of homemade gluten free flour blend.

How to Store DIY Gluten Free Flour Blend

Store your homemade gluten free flour blend in a jar with a tight-fitting like – I like to use a large Mason jar – or in a sealable bag in a cool, dark place (your pantry is perfect) for up to 2 months. Give the flour mix a shake each time you use it to re-blend the flour a bit.