These air fryer birthday cake mug cakes are the easiest way to satisfy a cake craving without baking a whole cake.
They taste just like a slice of funfetti birthday cake, but you only need about 15 minutes and a few basic ingredients to make them.

The batter comes together in one bowl, and the air fryer does the rest. No need to preheat a full oven for just two little cakes.
They come out soft, fluffy, and loaded with rainbow sprinkles. Top them with whipped cream and you have a mini celebration ready to go.
This recipe makes two mug cakes, so it’s perfect for a quick treat for yourself or to share with someone.
Why You’ll Love This Recipe
Ready in Under 20 Minutes – From mixing the batter to pulling warm cake from the air fryer takes less than 20 minutes total.

Soft and Fluffy Texture – The air fryer gives these little cakes a perfectly risen top with a tender and moist crumb inside.
Tastes Like Real Birthday Cake – The combo of vanilla and almond extract creates that classic bakery-style birthday cake flavor you know and love.
Ingredients
- 1/4 cup All-Purpose Flour
- 3 tbsp Granulated Sugar
- 1/4 tsp Baking Powder
- Pinch of Salt
- 3 tbsp Whole Milk
- 2 tbsp Melted Butter
- 1/4 tsp Vanilla Extract
- 1/4 tsp Almond Extract
- 2 tbsp Rainbow Sprinkles
- Whipped Cream for topping
- Extra Sprinkles for garnish
How To Make
Step 1
In a bowl, whisk together flour, sugar, baking powder, and salt.
Step 2
Add milk, melted butter, vanilla extract, and almond extract. Stir until smooth and no lumps remain.
Step 3
Gently fold in rainbow sprinkles until evenly distributed throughout the batter.
Step 4
Divide batter between two greased 6-oz ramekins or mugs, filling each about halfway.
Step 5
Preheat air fryer to 330°F. Place ramekins in the basket and cook for 12-14 minutes until tops spring back when lightly touched.
Step 6
Let cool for 2 minutes, then top with whipped cream and extra sprinkles. Serve warm in the ramekins or turn out onto plates.

Tips
Use Jimmies, Not Nonpareils
The type of sprinkles you use matters a lot here. Go with classic jimmies (the long, rod-shaped ones) instead of nonpareils (the tiny round balls). Jimmies hold their color much better when baked into batter.
Nonpareils tend to bleed their color into the batter during mixing and baking, which turns your cake a muddy grayish color instead of that fun confetti look you’re going for.
Fold the Sprinkles in at the Very End
Make sure your batter is completely smooth before you add the sprinkles. Once you drop them in, use a spatula and gently fold them in with just a few strokes – maybe 5 or 6 turns max.

The more you stir after adding them, the more the color bleeds off the sprinkles and into the batter. Quick and gentle is the key here.
Don’t Skip Greasing the Ramekins
Give your ramekins a good coating of butter or nonstick spray before pouring the batter in. Mug cakes have a sticky batter, and without greasing, pieces of cake will cling to the sides when you try to eat it or turn it out.
If you plan to flip the cakes out onto a plate for a nicer presentation, greasing is absolutely necessary or they’ll break apart on you.
Related Recipes
- Air Fryer Chocolate Cake
- Air Fryer Lava Cake
- Air Fryer Molten Chocolate Lava Cakes
- Air Fryer Vanilla Cake
- Air Fryer Lemon Blueberry Mini Cakes
Frequently Asked Questions
Can I use regular mugs instead of ramekins in the air fryer?
Yes, you can use regular ceramic mugs as long as they are oven-safe and fit comfortably in your air fryer basket. Just make sure they don’t have any metallic paint or trim, since that can cause problems in some appliances.
Stick with sturdy, plain ceramic mugs and check the bottom for an “oven-safe” label if you’re unsure. Avoid thin or decorative mugs that might not handle the heat well.
Air Fryer Birthday Cake Mug Cakes
- air fryer
- ramekins
- 1/4 cup All-Purpose Flour
- 3 tbsp Granulated Sugar
- 1/4 tsp Baking Powder
- 1 pinch Salt
- 3 tbsp Whole Milk
- 2 tbsp Melted Butter
- 1/4 tsp Vanilla Extract
- 1/4 tsp Almond Extract
- 2 tbsp Rainbow Sprinkles
- Whipped Cream for topping
- Extra Sprinkles for garnish
- In a bowl, whisk together flour, sugar, baking powder, and salt.
- Add milk, melted butter, vanilla extract, and almond extract. Stir until smooth and no lumps remain.
- Gently fold in rainbow sprinkles until evenly distributed throughout the batter.
- Divide batter between two greased 6-oz ramekins or mugs, filling each about halfway.
- Preheat air fryer to 330°F. Place ramekins in the basket and cook for 12-14 minutes until tops spring back when lightly touched.
- Let cool for 2 minutes, then top with whipped cream and extra sprinkles. Serve warm in the ramekins or turn out onto plates.