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Best Vegan Brownies | seitanismymotor.com

Best Vegan Brownies

Constanze of Seitan is my Motor
These brownies are exactly what you have been searching for! They come with a rich chocolate aroma and have the perfect texture: chewy and moist on the inside and crispy on top.
5 from 2 votes
Prep Time 15 mins
Cook Time 1 hr
Total Time 1 hr 15 mins
Course Dessert
Cuisine American, dairy-free, egg-free, vegan, vegetarian
Servings 16 servings


  • 30 g Dutch process cocoa powder
  • 1 ½ teaspoons instant coffee powder
  • 150 ml boiling water
  • 60 g bittersweet chocolate , finely chopped
  • 160 ml vegetable oil
  • 50 g melted vegan butter
  • 120 g vegan mayonnaise
  • 40 g aquafaba
  • ½ teaspoon ground vanilla powder
  • 250 g granulated sugar
  • 250 g powdered sugar
  • 250 g flour
  • 1/8 teaspoon baking soda
  • 150 g bittersweet chocolate , chopped


  • Preheat oven to 180°C and line a 20 x 20 cm square pan with parchment paper.
  • In a bowl combine cocoa powder, coffee powder, and boiling water.
  • Whisk until smooth.
  • Stir in 60 g of chocolate until melted.
  • Add oil, melted butter, mayonnaise, aquafaba, and vanilla and whisk until smooth.
  • Add sugar and with a handheld mixer, beat until the sugar is dissolved.
  • Add flour and baking soda and beat again until most of the flour is incorporated. A couple of lumps are okay.
  • Fold in chocolate and pour batter into the pan.
  • Bake for 60 minutes.
  • Let cool for two hours and remove the parchment paper.
  • Store in the fridge over night and then bring back to room temperature (2 hours) before you cut and serve them.
  • Store in an airtight container.


The aquafaba can be poured right from the can. No need to whip it up.