Fudgy Vegan Gluten-Free Brownies Recipe

These are the BEST vegan, gluten-free brownies — flourless brownies that are packed with deep dark chocolate flavor, fudgy in the center and delightfully chewy at the edges.

A side angle view showing a vegan brownie with walnuts.

Flourless, Vegan Gluten Free Brownies

Brownie preferences say a lot about someone: chewy or cakey, with nuts or without, intensely dark or sweeter. If you love deep, fudgy brownies with a chewy edge and the occasional crunch of walnut, these will become your go-to. They’re made from nutrient-dense ingredients, lower in refined sugar, and remain luxuriously chocolatey despite being flourless and vegan.

  • Chewy or cakey?
  • With nuts or without?
  • Deep dark chocolate or milder sweetness?

These brownies use almond butter instead of almond flour, which creates an especially fudgy center. Ground flaxseed (flax meal) serves as the egg substitute so the brownies stay vegan and gluten free. Despite the healthier swaps, they still develop a glossy, crackly top and crunchy edges like classic brownies — just without wheat flour, beans, or grain-based gluten-free mixes.

Note: For a nut-free variation, sunflower seed butter (SunButter) works well as a 1:1 substitute.

Ingredients to Gather

  • Almond butter — unsweetened (or cashew butter as a substitute; sunflower butter for a nut-free version)
  • Dark chocolate chips or chopped dark chocolate
  • Flax meal
  • Cocoa powder (raw cacao powder or natural cocoa; Dutch-process gives a milder chocolate flavor)
  • Arrowroot powder (or tapioca flour)
  • Strong coffee (concentrated; a small amount softens the flax meal)
  • Maple syrup
  • Coconut sugar (or brown sugar, monk fruit, or allulose)
  • Avocado oil (or melted coconut oil)
  • Vanilla extract
  • Sea salt & baking soda
  • Walnuts (optional)
The ingredients needed to make vegan brownies.

How to Make Fudgy Vegan Brownies

These brownies are thick and rich because they’re flourless and based on almond butter. A food processor makes mixing easier and yields a smoother batter, but a hand mixer and large bowl will also work.

  1. Soften the flax: Combine the flax meal with hot strong coffee in a small bowl. This won’t form a thick “flax egg” but it softens the flax so it blends into the batter without gritty texture. Set aside to rest.
  2. Prep and pulse dry ingredients: In a food processor, add the cocoa powder, arrowroot (or tapioca), coconut sugar, baking soda, and a pinch of sea salt. Add the dark chocolate chips and pulse until the chips are broken down but still have some small chunks — aim for a pebble-like texture rather than a paste.
  3. Add wet ingredients: Add the almond butter, maple syrup, avocado oil, softened flax mixture, and vanilla to the processor. Pulse until just combined. If the batter begins to ball up — this is the nut butter “seizing” when mixed with liquids — it’s okay. It won’t affect texture, though it can make spreading harder. Avoid over-mixing to retain fudginess.
  4. Fold in nuts: Stir in chopped walnuts if you like them in your brownies, or leave them out for pure chocolate intensity.
  5. Press into pan: Line an 8×8-inch (or similar) baking pan with parchment and lightly brush the parchment with melted coconut oil so it adheres. Press the sticky dough evenly into the pan.
  6. Bake: Bake at 350°F (175°C) for about 14–16 minutes. The brownies are done when the edges begin to pull away from the pan and the top is glossy. Baking times vary slightly by pan material; metal pans tend to bake faster, so reduce time by 2–3 minutes if using metal.
  7. Cool before slicing: Allow the brownies to cool completely before slicing; chilling in the refrigerator will firm them and give the cleanest cuts.
Baked, cooled, and sliced brownies in a pan.

How to Store Vegan Gluten-Free Brownies

Once cooled to room temperature, you can freeze the whole pan briefly to firm the brownies for perfect slicing. Pop the slab out using the parchment, slice into 9 larger or 16 smaller brownies, then store in an airtight container in the freezer for up to six months. For short-term storage, keep refrigerated in an airtight container for up to a week.

Tips & Variations for the Perfect Fudgy Brownies

Nut-free option: Swap almond butter for sunflower seed butter (SunButter) 1:1. The flavor will be slightly different but texture remains fudgy.

Sweeter or milder chocolate flavor: Use Dutch-process cocoa for a milder, sweeter chocolate profile, and increase the sweetener to 4–6 tablespoons if you prefer less darkness.

Flax meal vs egg: Replacing the flax with an egg will produce a cakier brownie, not the chewy, dense texture these are known for. To make your own flax meal, pulse whole flax seeds in a blender until coarse but not powdered.

Vegan chocolate chips: Most dark chocolate chips with high cocoa content are vegan; choose a brand with a simple ingredient list if you want to ensure they are dairy-free.

Brownies stacked on a blue plate with a bowl of strawberries next to it.

Other Vegan Dessert Recipes

  • Vegan oatmeal cookies
  • Peppermint raw vegan brownies
  • No-bake Almond Joy cookies

If you try these brownies, tag the creator on social media to share your results.


Fudgy Vegan Brownies

The best flourless, gluten-free brownies with an almond butter base — chewy, rich, and deeply chocolatey.

Prep Time: 10 minutes | Cook Time: 17 minutes | Total Time: 27 minutes

Servings: 9 brownies | Calories: 310 kcal (approx.)

Ingredients

  • 6 tbsp natural cocoa powder (or raw cacao; Dutch-process for milder flavor)
  • 1/3 cup dark chocolate chips or chopped dark chocolate
  • 3 tbsp arrowroot (or tapioca flour)
  • 3 tbsp coconut sugar (or monk fruit/allulose)
  • 1/4 tsp sea salt
  • 1/4 tsp baking soda
  • 3/4 cup unsweetened almond butter (or cashew butter; sunflower butter for nut-free)
  • 6 tbsp maple syrup (or honey/date syrup/sugar-free syrup)
  • 1/4 cup flax meal
  • 3 tbsp strong coffee (about 3 tbsp hot water + 1/2 tsp instant coffee)
  • 3 tbsp avocado oil (or melted coconut oil)
  • 1/3 cup chopped walnuts (optional)

Instructions

  1. Combine flax meal and hot coffee in a small bowl; set aside to soften.
  2. Preheat oven to 350°F and line an 8×8-inch pan with parchment.
  3. Pulse cocoa, chocolate chips, arrowroot, coconut sugar, salt, and baking soda in a food processor until chips are broken into small pebbles.
  4. Add almond butter, maple syrup, flax mixture, avocado oil, and vanilla. Process until just combined; batter may ball up slightly.
  5. Fold in walnuts if using. Press batter into prepared pan.
  6. Bake 14–16 minutes until edges pull away and the top is glossy. Cool completely before slicing. Refrigerate leftovers up to a week or freeze up to five months.

Notes

For a nut-free version use sunflower seed butter in a 1:1 swap. Dutch-process cocoa makes a milder chocolate flavor. Using an egg produces a cakier brownie.

3 fudgy vegan brownies stacked on a blue plate with strawberries.