Simple Oat Flour Cookies
Crispy-edged, chewy-centered cookies made with oat flour for a naturally sweet, nutty flavor. These simple cookies come together in just 20 minutes with basic pantry ingredients. Perfect for a quick snack or lunchbox treat.
For 8 servings
- prep · ~5 min
Preheat the oven and line the baking tray.
Preheat oven to 350°F (175°C). Line a baking tray with parchment paper or a silicone baking mat.
- mix · ~2 min
Cream butter and sugar until fluffy.
In a large mixing bowl, beat the softened butter and brown sugar together until light and creamy, about 2 minutes.
TIPMake sure the butter is truly soft — this ensures the sugar blends smoothly without lumps. - mix · ~1 min
Beat in the egg and vanilla.
Crack the egg into the butter mixture, add the vanilla extract, and beat until fully incorporated and smooth.
- mix · ~1 min
Add the dry ingredients and fold gently.
1.Sprinkle oat flour, baking soda, salt, and cinnamon powder over the wet mixture.2.Fold gently with a spatula until just combined and no dry streaks remain.3.Do not overmix — the dough will be slightly soft and sticky.TIPOvermixing oat flour can make cookies dense. Stop as soon as the flour disappears into the dough. - prep · ~2 min
Scoop and shape the cookies onto the tray.
Drop rounded tablespoons of dough onto the lined baking tray, spacing them about 2 inches apart. You should get roughly 8 cookies.
TIPFlatten each cookie slightly with the back of a spoon if you prefer thinner, crispier cookies. - bake · ~12 min
Bake until golden at the edges.
Bake for 10–12 minutes, until the edges are lightly golden and the centers look just set. The cookies will firm up as they cool.
TIPOat flour browns faster than wheat flour — watch closely after 9 minutes and pull them when the edges turn golden. - rest · ~5 min
Cool on the tray for 5 minutes, then transfer.
Let the cookies rest on the hot baking tray for 5 minutes to set, then transfer to a wire rack to cool completely.
TIPCookies are fragile when hot — transferring them too early will cause them to break.
What to keep in mind.
7 tips from the recipe — small details that make a real difference to the final dish.
- 1Use room-temperature butter for a smooth, lump-free creamed base.
- 2Pack your brown sugar firmly into the measuring cup for deeper flavor and moisture.
- 3Scoop dough with a cookie scoop or tablespoon for uniform size and even baking.
- 4Flatten dough balls slightly if you prefer thin, crisp cookies instead of puffy ones.
- 5Oat flour browns faster than wheat flour—check cookies at 9 minutes and pull when edges turn golden.
- 6Cool cookies on the baking tray for a full 5 minutes so they set properly before moving.
- 7Store cooled cookies in an airtight container at room temperature for up to 5 days.
Adapt it for your goals.
Chocolate chip
Fold in 1/3 cup dark chocolate chips or chunks after the dry ingredients. This adds pockets of melted chocolate for a classic cookie treat.
veganVegan
Replace butter with 1/4 cup coconut oil (solid but softened) and the egg with 1 flax egg (1 tbsp ground flax + 3 tbsp water). Perfect for plant-based eaters without losing chewiness.
gluten free checkGluten-free check
Ensure your oat flour is certified gluten-free if you have celiac or gluten sensitivity, since oats are often cross-contaminated. The recipe is naturally gluten-free with the right flour.
nutty cinnamon raisinNutty cinnamon raisin
Add 1/4 cup raisins and 2 tablespoons chopped walnuts or pecans. Increase cinnamon to 1/2 teaspoon for a cozy, oatmealesque cookie.
Why this is on our healthy list.
Natural Whole Grains
Oat flour is made from ground oats, a whole grain rich in beta-glucan fiber that supports digestion and helps maintain steady energy levels.
Lower Sugar Option
With only 1/4 cup of sugar for 8 cookies, each cookie contains modest sweetness, making it easier to control sugar intake compared to many traditional cookie recipes.
Good Source of Soluble Fiber
Oats are known for their soluble fiber content, which can help promote heart health by supporting healthy cholesterol levels as part of a balanced diet.
Frequently asked questions
Yes, simply pulse rolled oats in a blender or food processor until they form a fine powder. Measure after grinding—1½ cups of rolled oats yields roughly 1½ cups of oat flour.
