Oat flour and graham flour are two excellent types of flour that have gained attention for their unique properties and potential health benefits. Both flours are whole-grain options that are packed with fiber, vitamins, and minerals, but they differ in texture, taste, and uses.
In this article, we will compare oat flour and graham flour, exploring their nutritional profiles, applications, and pros and cons to help you decide which one is better suited for your needs.

Comparing oat flour vs graham flour
Oat flour | Graham flour | All-purpose flour | |
Substitution ratio | 1.3:1 | 1:1* | N/A |
Gluten-free? | Yes | No | No |
Keto-friendly? | No | No | No |
Paleo-friendly? | No | No | No |
Common Allergens | None | Wheat, gluten | Wheat, gluten |
Liquid absorbency | High | Medium (higher than all-purpose) | Medium |
Pantry shelf life (unopened/sealed) | 2 months | 1-3 months | 6-8 months |
Best for | Pancakes, muffins, cookies, fruit crumbles and crisps | Graham crackers, pie crusts, and cheesecake crust | Non-yeast recipes, cookies, biscuits, and some breads |
*Graham flour can substitute all-purpose flour using a 1:1 ratio, but you may need to add more liquid to make up for graham flour’s higher absorbency.
Differences between oat flour and graham flour
The main difference between oat flour and graham flour lies in the grains from which they are made. Oat flour is made from ground oats, while graham flour is made from ground whole wheat berries that have been coarsely ground and sifted.
Additionally, oat flour is typically gluten-free and is free of common allergens, while graham flour contains gluten.
When it comes to taste and texture, oat flour has a slightly sweet and nutty flavor, and a softer, more delicate crumb, while graham flour has a more intense wheat flavor and a denser texture. This is partly because graham flour absorbs a bit more liquid than oat flour.
Baking with oat flour vs graham flour
Both oat flour and graham flour can be used in a variety of baking recipes, from bread to cookies to pancakes. It all comes down to the taste and texture you’re going for!
Oat flour has a slightly sweet and nutty flavor that can add a pleasant taste to baked goods, while graham flour has a more intense wheat flavor that some people may find too strong. Of course, graham flour is ideal for graham crackers!
In terms of texture, oat flour tends to produce a softer, more delicate crumb, while graham flour can make baked goods more dense and hearty.
Ingredients in oat flour vs graham flour
Oat flour is made from ground oats, while graham flour is made from coarsely ground whole wheat berries that are sifted to remove some of the bran and germ.
There shouldn’t be any other added ingredients in high-quality oat or graham flour.
Oat flour and graham flour nutritional facts
Per 1/4 cup serving | Oat flour | Graham flour | All-purpose flour |
Calories | 120 | 110 | 120 |
Carbs (g) | 22 | 23 | 24 |
Fiber (g) | 3 | 4 | 1 |
Fat (g) | 2 | 0.5 | 0.5 |
Protein (g) | 4 | 4 | 4 |
Glycemic index score | 44 | 30-45 | 85 |
Nutritionally, both oat flour and graham flour are higher in fiber than all-purpose flour since they are made from whole grains.
Oat flour is high in fiber and healthy fats, and is rich in vitamins and minerals such as iron, calcium, and vitamin B-6.
In comparison, graham flour is higher in fiber and a great source of vitamins and minerals like folate, iron, and magnesium.
Oat flour vs graham flour storage
Oat flour and graham flour don’t last as long as all-purpose flour, which is refined and contains preservatives. So, make sure to use them up within 2-3 months for optimal freshness!
Both flours should be stored in an airtight container in a cool, dry place, away from heat and moisture.
They can be stored at room temperature for a few months, but it’s best to store them in the refrigerator or freezer to extend their shelf life.
Oat flour vs graham flour: Which is better?
The debate between oat flour and graham flour ultimately comes down to personal preference and dietary needs. Both flours have their own unique flavor profiles and nutritional benefits, and can be used in a variety of baking recipes.
Personally, I love using oat flour for baking due to its sweet, nutty flavor and softer texture. But I also appreciate the heartier, wheatier taste of graham flour in certain recipes.
At the end of the day, whether you choose oat flour or graham flour, both are healthier alternatives to traditional all-purpose flour, and can add some delicious flavor and texture to your baked goods. Which one do you prefer?
FAQ
Whole wheat flour can be a good substitute due to its nutty flavor and similar texture. However, it may alter the taste and texture of the final product.
While oat flour is a healthy alternative to traditional wheat flour and has numerous nutritional benefits such as high fiber content and protein, it may not be the healthiest flour for everyone as it is not suitable for keto or paleo diets. Other flour options like coconut, almond, and chickpea flour also have their own unique health benefits.
When you use oat flour instead of all-purpose flour, it will change the texture of your baked goods, making them denser and moister. Oat flour also absorbs more liquid, so you may need to adjust the amount of liquid used in your recipe accordingly.
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