Grease a 7 inch baking pan with butter, ensuring that the bottom and sides are all evenly coated. Then, preheat your air fryer to 350F (175C).
Add the flour, sugar, cocoa powder, eggs, butter, olive oil, vanilla extract, baking powder, and salt to a large bowl. Mix and stir until weel combined.
Pour the batter into the greased baking pan, and then place it in the air fryer.
Air fry for abot 12-15 minutes. Use the old toothpick trick to check if it is done. Insert it in the center -the toothpick should come out with only a few crumbs attached.Remove from the air fryer, let it cool for 15 minutes, slice, and serve!
Nutrition
Calories: 160kcal
Course: Dessert
Cuisine: American
Keyword: air fryer brownies, airfryer brownies, brownies in air fryer'