This single-serve brownie recipe in an air fryer is for those nights when you want a warm, super chocolatey treat fast… and you want that almost molten center. Let’s be honest… crispy edges plus a gooey middle is just so satisfying.
It’s a brownie recipe for one cup at a time, but the batter makes a few little cups if you want to keep going. How can you not?!
Watch the recipe video below for this single-serve brownie recipe in an air fryer… it makes the melty center so easy to nail. If you liked it, tap like and subscribe to my YouTube channel for more cozy dessert recipes like brownies, cookies, and other sweet air fryer treats.
Why you’ll love this single-serve brownie recipe
This is quick, simple, and honestly kind of adorable.
You melt chocolate and butter, stir in a few basics, then air fry a small cup until the top is set and the middle is still soft. That is the whole vibe.
Top Tip: Use a darker semisweet chocolate, around 60% cocoa, if you can. It gives you a richer chocolate flavor and keeps the center extra gooey.
Texture + flavor
This air fryer brownie recipe tastes super rich and chocolatey, with a set top and an almost molten middle while it is still warm. The center stays gooey and melty, which makes this a true gooey brownie recipe.
Let it sit for a few minutes, and it thickens up slightly… still gooey, just a little more fudgy.
Did You Know: Brownies keep baking a little from residual heat after you pull them out, which is why taking them out when the center is still soft gets you that gooey middle.
Ingredients for this air fryer brownie recipe
- 1/2 cup of semisweet chocolate chips or 90-gram semisweet chocolate bar
- 3 tablespoons of butter (42 grams)
- 1 large egg
- 2 tablespoons of sugar
- 1 tablespoon of self-rising flour
Equipment you’ll need
- A microwave-safe bowl
- A fork or small whisk
- A spoon or spatula
- A small heat-proof cup or ramekin that fits in your air fryer
- An air fryer
Instructions for this air fryer brownie recipe for one
Step 1: Chop 90 grams of a semisweet chocolate bar into small pieces, or measure 1/2 cup of semisweet chocolate chips. Smaller pieces melt faster and more evenly… and you will not be fighting stubborn lumps later.
Step 2: Put all the chocolate pieces into a microwave-safe bowl. Add 3 tablespoons of butter (42 grams). Microwave for about 1 minute total, stopping to stir every 20 seconds, until it looks smooth and glossy when you stir.
Step 3: In a separate bowl, crack 1 large egg. Add 2 tablespoons of sugar and mix until it looks evenly combined and a little lighter, about 15 to 20 seconds.
Step 4: Add 1 tablespoon of self-rising flour and stir just until the flour disappears. At this point, it will look loose, not thick yet… that is normal.
Top Tip: When you add flour, mix only until you stop seeing dry streaks. Overmixing can make the brownie less tender.
Step 5: Add all the melted chocolate mixture to the egg mixture and stir until fully mixed in. The batter should turn a deep chocolate brown and look smooth and shiny.
Step 6: Spoon batter into a small heat-proof cup, but do not fill it all the way. Leave a little space at the top so it has room to rise.
Step 7: Preheat the air fryer, then air fry at 190°C (374°F) for about 5 to 6 minutes, until the top looks set and you can smell that rich chocolate brownie smell. The center should still be soft underneath that set top. Start checking at 5 minutes since every air fryer runs a little differently.
Make one cup now, save the rest
This batter makes about 12 tablespoons total, which is 4 brownie cups if you use about 3 tablespoons per cup.
If you only want one brownie cup right now, cook one cup and cover the remaining batter. Store it in the fridge and use it within 1 to 2 days. Keeping batter cold can slow the rise a bit, so the next cup may need an extra minute.
Related Recipe: If you love this air fryer brownie recipe, you have to try these Air Fryer Chocolate Chip Cookies here too.
Air Fryer Gooey Brownie Recipe for One
4
servings10
minutes6
minutes232
kcal16
minutesAre you craving a warm, gooey brownie but only want one? This air fryer brownie recipe is your quick fix. This brownie is rich, chocolaty, and ready fast, with that perfect melty middle.
Keep the screen of your device on
Ingredients
1/2 cup (90 grams) semi-sweet chocolate chips
3 tablespoons (45 grams) butter
1 large egg
2 tablespoons (25 grams) sugar
1 tablespoon (8 grams) self-rising flour
Directions
- Chop 90 grams of semi-sweet or dark chocolate into small pieces.
- Melt the chocolate with 3 tablespoons of butter in a microwave-safe bowl in the microwave.
- In a separate bowl, crack 1 egg, add 2 tablespoons of sugar, and mix until smooth.
- Add 1 tablespoon of self-rising flour and stir until no dry bits remain.
- Combine the melted chocolate and egg mixture, stirring until fully mixed and smooth.
- Fill a heatproof cup with batter, leaving room to rise.
- Preheat the air fryer to 190°C (374°F) and air fry the brownie for 5-6 minutes.
- The brownie should have a set top, with a soft, gooey middle.
Equipment
Ninja Air FryerCheck it out on Amazon here
Recipe Video
Notes
- Chocolate choices that work best: Use semisweet chocolate chips or a semisweet chocolate bar around 60% cocoa for the richest flavor and the gooey center. If your chocolate tastes very sweet, the brownie will taste sweeter too, so keep that in mind when you choose your chocolate.
- Easy flour alternative option: If you do not have self-rising flour, swap in 1 tablespoon of all-purpose flour, then add a tiny pinch of baking powder and a tiny pinch of salt. Keep those pinches small so the brownie stays gooey, not cakey.
- Save leftover batter safely: Cover the leftover batter and store it in the fridge, then use it within 2 days. Cold batter may need about 1 extra minute in the air fryer, so start checking early and go by how the top looks.
- Fix grainy or seized chocolate: Keep everything dry and microwave in short bursts, stirring often, because even a little water or too much heat can turn melted chocolate thick and grainy. If it starts looking weird, stop microwaving and stir for a bit before you do anything else.
- How to know it is done: Pull the brownie when the top looks set and no longer shiny, but the center still feels soft when you gently tap it with a spoon. If you wait until the middle feels firm, you will lose that molten texture.
- Air fryer timing varies: If your air fryer runs hot, start checking at 5 minutes and keep a close eye on the top. If it browns too fast, lower the heat a little next time and cook for an extra minute.
- Preheat for even baking: Preheat your air fryer so the brownie starts cooking right away and sets the top evenly. A cold start can make the center cook unevenly and stay too loose.
- Simple serving upgrades: Sprinkle a pinch of flaky salt on top right after cooking, or add a small scoop of vanilla ice cream. The warm brownie plus cold ice cream is honestly so satisfying.
Nutrition Facts
- Total number of serves: 4
- Calories: 232kcal
- Fat: 17g
- Carbohydrates: 22g
- Protein: 3g
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Reheating tips
If your brownie cup cools down and you want it warm again, pop it back in the air fryer for about 1 minute. Keep an eye on it. You want warm and gooey, not dried out.
Common issues and easy fixes
- Top looks set, but the middle feels too loose: Give it 1 more minute, then let it sit for 3 to 5 minutes. It thickens as it cools.
- Brownie looks dry: It probably cooked a little too long. Next time, start checking at 5 minutes and pull it when the top is set, even if the center still feels soft.
- Chocolate seized or turned grainy: The microwave may have been too hot for too long. Short 20-second bursts and stirring help a lot.
More air fryer baking recipes
If you loved this single-serve brownie recipe in an air fryer, you will probably like other air fryer baking recipes too… think cookies, brownies, and quick little warm treats.
Here are a few of my favorite easy and delicious air fryer baking recipes you can try next:
- Easy Air Fryer Doughnuts (Soft And Moist) – Fluffy, tender doughnuts made in minutes without deep frying. Perfect for a sweet breakfast or snack.
- Air Fryer Baked Oats That Taste Better Than Brownies – A rich, fudgy baked oat that’s healthier than a traditional brownie but just as indulgent.
- 3 Ingredient Air Fryer Peanut Butter Cookies (Easy Recipe) – Simple, chewy cookies using just peanut butter, sugar, and an egg, ready in under 15 minutes.
Leave a comment or question about this air fryer brownie recipe in the comments below or in the YouTube video comments. I try to respond to as many as I can.