Why Make Your Own GF Flour Blend?
Commercial GF flour blends are convenient, but making your own gives you control over flavor, texture, and ingredients — and can cost significantly less. Once you understand the role of each flour and starch, you can create blends optimized for specific applications.
The Components of a GF Flour Blend
A well-designed GF flour blend typically combines three types of ingredients:
Whole grain flours (provide flavor and nutrition):
- White rice flour — neutral, widely available
- Brown rice flour — nutty, more nutritious
- Sorghum flour — mildly sweet, protein-rich
- Oat flour (certified GF) — mild, pleasant
- Buckwheat flour — earthy, complex
- Millet flour — mild, slightly sweet
- Teff flour — earthy, nutritious
Starches (provide lightness, binding, and structure):
- Tapioca starch — adds chewiness and lift
- Potato starch — adds lightness and moisture
- Arrowroot starch — adds glossiness and stability
- Sweet rice flour (mochiko) — adds chewiness and binding
Binders (replace gluten's network):
- Xanthan gum — standard binder
- Psyllium husk — especially good for bread
- Guar gum — similar to xanthan
Tested GF Flour Blend Recipes
All-Purpose GF Blend (Best for Everyday Baking)
This blend performs well across cookies, cakes, muffins, quick breads, and pancakes. It's a reliable 1:1 replacement for all-purpose wheat flour in most recipes.
Recipe:
- 2 cups white rice flour (or 1 cup each white and brown rice flour)
- 2/3 cup potato starch
- 1/3 cup tapioca starch
- 1 teaspoon xanthan gum
Total: approximately 3 cups
Yield: Makes about 3 cups; scale up and store in a sealed container.
Notes: The xanthan gum is included so you don't need to add it to individual recipes. If a recipe already calls for xanthan gum, reduce the amount.
Bread Flour Blend (Better Rise and Chew)
This blend has more whole-grain flour for a flavor profile closer to wheat bread, plus psyllium husk for bread-specific structure.
Recipe:
- 1 cup brown rice flour (or white rice flour)
- 3/4 cup sorghum flour
- 1/2 cup tapioca starch
- 1/4 cup potato starch
- 1.5 teaspoons psyllium husk powder (or 1 tsp xanthan gum)
Total: approximately 2.5 cups
Notes: Use 1:1 for bread recipes. This blend produces a better flavor and slightly better rise in yeasted bread than all-purpose blends.
Cake Flour Blend (Light, Tender Cakes)
This blend produces the lightest, most tender cakes — closest to the fine texture of wheat cake flour.
Recipe:
- 1.5 cups super-fine white rice flour
- 1/3 cup potato starch
- 1/4 cup tapioca starch
- 2 tablespoons arrowroot (adds silky texture)
- 3/4 teaspoon xanthan gum
Total: approximately 2 cups
Notes: Use in layer cakes, cupcakes, and angel-style cakes. The super-fine rice flour is critical — regular grind will produce a gritty cake.
Whole Grain Blend (More Nutritious)
For those who want more nutrition and a heartier flavor.
Recipe:
- 1 cup sorghum flour
- 1/2 cup certified GF oat flour
- 1/2 cup brown rice flour
- 1/2 cup tapioca starch
- 1/4 cup potato starch
- 1 teaspoon xanthan gum
Total: approximately 2.75 cups
Notes: More flavorful than all-rice blends. Works well in muffins, quick breads, pancakes, and cookies. May produce slightly heavier results in delicate cake recipes.
Nut-Free, Grain-Free Blend (Paleo-Inspired)
For those avoiding grains and nuts.
Recipe:
- 1 cup cassava flour
- 1/3 cup coconut flour
- 1/4 cup arrowroot
- 1/2 teaspoon xanthan gum
Notes: Use 3/4 cup for every 1 cup wheat flour (cassava absorbs differently). Best for cookies, quick breads, and pancakes. Cassava flour makes this blend behave more like wheat flour than most GF options.
Substitution Ratios
All blends above are designed to substitute for wheat flour at these ratios:
- All-purpose blend: 1:1 replacement
- Bread blend: 1:1 replacement
- Cake blend: 1:1 replacement
- Whole grain blend: 1:1 replacement
- Grain-free blend: 3/4 cup blend for 1 cup wheat flour
Scaling and Storage
Scale up: Multiply all ingredients by 3-5x to make a large batch. GF flours are used in large quantities.
Storage: Store blends in sealed containers (mason jars or airtight food containers). Label with the blend name and date.
Shelf life: Blends containing brown rice flour or oat flour should be stored in the refrigerator (oils in the whole-grain flours can go rancid). White rice/starch-based blends can be stored at room temperature for 6 months.
Cost Comparison
Commercial GF all-purpose flour (Bob's Red Mill 1-to-1): approximately $4-5 per pound
Homemade all-purpose blend (buying flours in bulk): approximately $1.50-2.50 per pound
For frequent GF bakers, homemade blends produce significant savings over time.