Air Fryer Flourless Chocolate Brownies
Rich, fudgy flourless brownies baked in the air fryer for a perfectly moist crumb in under 30 minutes. Made with melted dark chocolate, butter, eggs, and sugar—no flour needed. These dense, decadent brownies have a crackling top and a gooey center that's almost like warm chocolate cake.
Steps
Before you start
- Preheat the air fryer to 325°F (163°C) for at least 3 minutes
- Line a 7×7-inch (18×18 cm) square baking pan with parchment paper, leaving an overhang on two sides for easy removal
- Have all ingredients at room temperature for easier mixing
Melt chocolate and butter
- In a microwave-safe bowl, combine the chopped dark chocolate and butter pieces.
- Microwave in 30-second bursts, stirring between each burst, until completely melted and smooth (total time usually 1–1.5 minutes).
- Alternatively, use a double boiler over simmering water.
- Set aside to cool for 2 minutes.
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Ready when: Chocolate and butter are smooth with no lumps
Tip: Avoid overheating the chocolate; it can become grainy or bitter. Stir frequently for even melting.
Beat eggs and sugar
- In a medium bowl, whisk the room-temperature eggs with the granulated sugar.
- Beat vigorously with a whisk or electric mixer for about 2 minutes, until the mixture is pale, thick, and ribbon-like.
- The mixture should fall from the whisk in a slow, thick stream.
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Ready when: Mixture is pale yellow, thick, and leaves a ribbon trail when lifted
Tip: Thorough beating incorporates air, which gives the brownies their characteristically crackly top.
Combine chocolate into eggs
- Pour the cooled melted chocolate and butter into the egg mixture.
- Using a whisk or spatula, gently fold the chocolate into the eggs until just combined, being careful not to deflate the airy egg mixture.
- Stir only until no streaks of egg remain visible—about 1 minute of gentle folding.
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Ready when: Chocolate and egg are fully combined with no visible streaks
Tip: Folding gently (rather than stirring vigorously) preserves the air you just beat in, resulting in a lighter crumb.
Add dry ingredients
- Sift the cocoa powder over the chocolate mixture, then add the vanilla extract and fine sea salt.
- Fold everything together with a spatula using slow, deliberate strokes until no dry cocoa powder is visible and the batter is smooth and glossy.
- This should take about 30–45 seconds.
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Ready when: Batter is uniform, dark, and shiny with no cocoa streaks
Tip: Sifting the cocoa powder prevents lumps; if you don't have a sifter, whisk it vigorously in a small bowl first.
Pour and level batter
- Pour the batter into the parchment-lined 7×7-inch (18×18 cm) pan.
- Using an offset spatula or the back of a spoon, gently spread the batter evenly to the corners and level the top.
- Do not overmix; the batter is thick and may need gentle pressure to level, but don't beat it.
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Ready when: Batter is evenly spread with a level surface
Tip: Fill the corners completely so all brownies bake evenly; uneven thickness leads to overbaked edges and underbaked centers.
Air fry at 325°FOven 325°F / 165°C
- Carefully place the baking pan into the preheated air fryer basket (ensure it fits with at least ½ inch (1 cm) of clearance on all sides).
- Air fry at 325°F (163°C) for 14–16 minutes.
- The brownies should have a set top with a slight jiggle in the center when you gently shake the pan—they will continue to cook as they cool.
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Ready when: Top is set with a slight crackle; center jiggles just barely when pan is gently shaken
Tip: Air fryers vary in temperature; start checking at 14 minutes. Overbaking is the main risk; slightly underbaked is better than dry.
Cool completely
- Remove the pan from the air fryer and place it on a wire rack or heat-safe surface.
- Allow the brownies to cool in the pan for at least 10 minutes.
- This rest period allows the interior to firm up enough to slice cleanly.
- Once cool enough to handle, refrigerate for 20–30 minutes for the cleanest cuts, or allow them to reach room temperature.
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Ready when: Pan is cool enough to touch; brownies have set but are still moist
Tip: A chilled brownie will slice much more neatly than a warm one; a long serrated knife dipped in hot water also helps.
Cut and serve
- Using the parchment overhang, lift the entire brownie slab out of the pan and onto a cutting board.
- Using a sharp knife (wiped between cuts or dipped in hot water), cut the slab into 9 equal squares by making two lengthwise cuts and two widthwise cuts.
- Serve at room temperature or slightly warm.
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Ready when: Brownies are cut into 9 neat squares with clean edges
Tip: A damp kitchen towel under the cutting board will stabilize it; wiping your knife clean between cuts prevents ragged edges.
Good to know
Tips
- For the fudgiest texture, aim for the lower end of the cooking time (14 minutes); for a more cake-like brownie, cook the full 16 minutes. The jiggle test is your best guide.
- Flourless brownies rely entirely on the eggs for structure; room-temperature eggs are crucial for proper emulsification and a light, airy crumb.
- If your air fryer doesn't fit a 7×7-inch pan, use an 8×8-inch pan and reduce the baking time by 1–2 minutes, as the batter will be thinner and cook faster.
- A light dusting of powdered sugar or a sprinkle of fleur de sel on top just after baking adds visual appeal and balances the richness.
Make ahead
Brownies can be baked up to 3 days ahead. Store them in an airtight container at room temperature.
Storage & reheating
Room temperature: up to 3 days in an airtight container. Refrigerator: up to 5 days in an airtight container; serve at room temperature or warm gently. Freezer: up to 2 months wrapped individually in plastic wrap, then in a freezer bag; thaw at room temperature for 1–2 hours before serving.
Substitutions
- dark chocolate, chopped (60% cocoa or higher) → Semi-sweet chocolate (50–55% cocoa). Results will be slightly less intense in chocolate flavor and a bit sweeter. You may need to reduce the sugar by 1–2 tablespoons if using semi-sweet.
- unsalted butter → Coconut oil, neutral-flavored or melted. Yields a slightly less rich brownie with a more cake-like texture. Use the same weight (57 g or 4 tablespoons).
- vanilla extract → Espresso powder (¼ teaspoon) or coffee liqueur (½ teaspoon). Amplifies chocolate flavor without adding liquid sweetness; omit vanilla entirely if using espresso powder.
- granulated sugar → Muscovado sugar (light or dark). Adds depth and a subtle caramel note; use the same weight (100 g). Brownies will be slightly chewier.
