3-Ingredient Flaxseed Shortbread Cookies

Made with golden flaxseed meal, coconut oil, and coconut sugar, these straightforward flaxseed cookies are crisp, tender, and pleasantly nutty. They are also vegan, gluten-free, grain-free, and nut-free, with a plain keto option.

I need very little encouragement to create a new cookie recipe. Give me a bag of flour—or, in this case, flaxseed meal—and before long I will be wondering whether I can turn it into something sweet.

That is exactly what happened while I was grinding flaxseed meal into a fine flour for my flaxseed tortillas. With my 3-Ingredient Almond Flour Shortbread Cookies in mind, I decided to see whether flax could perform a similar bit of cookie magic.

It could, and beautifully.

These plain flaxseed cookies are crisp at the edges, tender in the center, and rich enough to feel like a proper treat. Golden flaxseed gives them a mellow, nutty flavor without any actual nuts, while coconut oil creates their firm, shortbread-like texture once chilled.

The ingredient list is wonderfully brief: three pantry ingredients, plus water and optional salt. The only step that deserves special attention is grinding the flaxseed meal until it becomes a very fine, fluffy flour. It makes all the difference in how smoothly the dough comes together.

Why You’ll Love This Recipe

• Made with three main ingredients
• Quick and straightforward to prepare (no stand mixer or other mixer required)
• Crisp, tender, shortbread-like texture
• Vegan, egg-free, and dairy-free
• Gluten-free and grain-free
• Naturally nut-free
• No leavening agents (e.g., no baking soda, no baking powder)
• Straightforward to customize with spices, zest, or extracts
• Keto-friendly with a measure-for-measure sweetener
• Keeps well in the refrigerator and freezer
• 2 grams fiber per cookie.

Ingredients for Flaxseed Cookies

The exact amounts of each ingredient are indicated in the recipe card at the end of the post.Toggle betweenUS Customary(volume) andMetric(weights) for preferred measurement option.

• Golden flaxseed meal:Golden flaxseed has a milder flavor than regular brown flaxseed, which makes it especially well suited to cookies. The meal must be ground again until it has the light, fluffy consistency of a fine flour.
• Coconut sugar:Coconut sugar adds sweetness and a warm, caramel-like flavor. Brown sugar, natural cane sugar, or regular granulated sugar can also be used.
• Coconut oil:Coconut oil gives the chilled cookies their firm, shortbread-like structure. It should be melted and still warm when added to the dough.
  • Water:A small amount of water hydrates the flaxseed flour and brings the dough together. Flaxseed meals vary, so the dough may need a few additional drops.
  • Salt, optional:A little salt sharpens the flavors and balances the sweetness, but it can be omitted according to your tastes and dietary needs.
  • Cinnamon, optional.Ground cinnamon or other spices, such as ginger, pumpkin pie spice or cardamom can be added.

How to Make Flaxseed Cookies

Note that the complete instructions are also in the recipe card below.

1. Prepare the oven and pan.Preheat the oven to 325°F (160°C). Line a large, light-colored baking sheet or cookie sheet with parchment paper or a silicone baking mat.

1. Grind the flaxseed meal.Process the flaxseed meal in a high-speed blender, small food processor, or electric coffee mill until it resembles a very fine, fluffy flour.

1. Combine the dry ingredients.In a medium bowl, whisk the finely ground flaxseed meal with the coconut sugar, optional salt, and any dry spices you are using.

1. Make the dough.Add the warm melted coconut oil and water to the flaxseed flour mixture. Stir and fold until the mixture comes together into a smooth dough, adding a little more water if necessary. Set the dough aside for 5 minutes so that the flaxseed flour can absorb the liquid.

1. Shape the cookies.Divide the dough into 12 equal portions and roll each one into a ball (you can use an ice cream scoop to portion). Use your fingertips or the flat bottom of a glass to flatten each ball of dough into an even circle.

1. Bake the cookies.Bake for 11 to 12 minutes, until the cookies are set and the edges look golden brown, dry and crisp.

1. Cool and chill.Let the cookies cool on the baking sheet for 5 minutes, then carefully transfer them to a wire rack. Cool completely before placing them in an airtight container and chilling until cold.

Taste and Texture

Once chilled, the cookies have a crisp, tender texture reminiscent of traditional shortbread. They taste rich and pleasantly nutty, even though the recipe contains no nuts.

They are more delicate while warm, so resist the urge to move them immediately after baking. Once completely cooled—and especially after chilling—they become firm and straightforward to handle.

Storage

Store the cooled flaxseed cookies in an airtight container in the refrigerator for up to 2 weeks. Chilling helps maintain their fresh flavor and firm, shortbread-like texture.

The cookies can also be frozen in an airtight container for up to 6 months. Let them thaw in the refrigerator before serving.

Flavor Variations

• Warmly spiced:Add ground cinnamon, ginger, cardamom, or pumpkin pie spice.
• Citrus:Add 1 to 2 teaspoons finely grated lemon, lime, or orange zest.
• Vanilla:Stir vanilla extract into the wet ingredients.
• Almond-scented:Add a very small amount of almond extract. This variation is not suitable for anyone avoiding nuts.
• Chocolate chip:Add 2 to 3 tablespoons of mini chocolate chips or roughly chopped chocolate so the cookies can still be flattened thinly. you can also try myChocolate Chip Flaxseed Cookiesrecipe.
• Chocolate drizzle:Once the cookies are cold, drizzle them with melted chocolate and allow the chocolate to set.

Serving Suggestions

These little cookies are especially good with coffee or tea. Their mild sweetness also makes them a lovely afternoon snack or a plain dessert served with fresh berries.

Tips for Success

This is the most important step in the recipe. The meal should become fine, light, and fluffy. Coarsely ground flaxseed meal can produce a crumbly dough that is difficult to shape.

Flaxseed meal is straightforward to compress in a measuring cup. Weighing it gives you the most consistent amount and helps prevent a dry, crumbly dough.

Different brands of flaxseed meal absorb slightly different amounts of liquid. If the dough remains crumbly after mixing, add water a few drops at a time, just until it holds together smoothly.

The cookies are delicate when they first come out of the oven. Leave them on the baking sheet for 5 minutes before transferring them to a wire rack.

The cookies become firmer and more like traditional shortbread once they are cold. I recommend storing and serving them chilled.

Ingredient Substitutions

Yes. Brown flaxseed meal will work, but it has a stronger, earthier flavor than golden flaxseed meal. Be sure that it is fresh, and grind it into a very fine flour before making the dough.

Yes. Use an equal weight of brown sugar, natural cane sugar, or regular granulated sugar. The flavor and color will vary slightly depending on the sugar you choose.

Replace the coconut sugar with the same amount of a measure-for-measure granulated keto sweetener. Nutrition will vary by brand, so calculate the final values using the specific sweetener you choose.

Liquid oils will not give the cookies the same structure. A high-fat vegan butter sold in sticks can be used in place of the coconut oil. If you do not need the cookies to be vegan, butter will also work.

Frequently Asked Questions

The flaxseed meal may not have been ground finely enough, or the dough may need a few more drops of water. Grind the meal until it resembles a fine, fluffy flour, weigh it if possible, and add any additional water very gradually.

Flaxseed meal can develop unpleasant flavors as it ages. Begin with fresh meal that smells mild and nutty, not sharp or stale. Golden flaxseed meal has the mildest flavor, although fresh brown flaxseed meal can also be used.

Yes. Most packaged flaxseed meal is too coarse for this dough. Grinding it again produces the fine flour that allows the dough—and the finished cookies—to hold together.

I developed and tested this recipe with finely ground flaxseed meal. Chia seed flour (ground chia seeds) may work, but I have note tested it. Other flours, such as coconut flour, oat flour or gluten-free all purpose flour do not have the same properties, so I do not recommend substituting them.

Refrigeration keeps the flaxseed meal fresh and firms the coconut oil, giving the cookies their reliable crisp-tender, shortbread-like texture. Also, flaxseeds are high in natural fat (omega-3 fatty acids), which is bets kept in the fridge.

More Flaxseed Meal Recipes to Love

• 100% Flax Breakfast Cookies {vegan, oil-free, keto option}
• 100% Flax Chocolate Cookies {vegan, oil-free, keto option}
• 2-Ingredient Flax Sandwich Bread {vegan, keto, grain-free}
• 3-Ingredient Banana Flax Bars {vegan, oil-free, grain-free}
• Zero Carb Flax Tortillas {1 ingredient, 0 grams net carbs}
• Almond Flour Flax Biscuits {Oil-Free, Vegan, 4 ingredients}