These aren’t deep-fried, but they’re not dry and cakey either. Air fryer sour cream donuts hit that sweet spot between a tender, tangy crumb and a golden crust that actually snaps when you bite through the glaze.
How does sour cream affect these donuts?
Sour cream brings two things to the batter: fat and acidity. The fat keeps crumb tender, not dry.
The acidity reacts with baking soda, creating bubbles that lift the batter into a light, airy crumb. You’ll notice the donuts are softer than what you’d get from a plain milk-and-butter dough.
That texture comes without the grease of deep frying. Taste a plain one before glazing, the sour cream tang is subtle, letting the nutmeg come through.
What the air fryer does to the batter
Hot air circulates fast, browning the outside while the inside stays soft. The batter needs to be just thick enough to hold shape in the mold, two-thirds full leaves room for rise.
Too full and the donut domes unevenly; too thin and it spreads into a flat disk. You’ll see a golden crust form at 10 minutes; at 12, the edges are noticeably crisp but not hard.
That crust is what mimics deep frying, with way less oil.
Why a simple vanilla glaze fits
The glaze adds sweetness and a smooth, glossy finish that sets off the tender crumb. Apply it while donuts are still slightly warm, the heat helps the glaze thin out, run over the surface, and set into a thin shell.
Vanilla is the right flavor here: it doesn’t compete with the nutmeg or the sour cream’s tang. The contrast between the crisp glaze and soft donut is what makes each bite work.
Prep: 20 min · Cook: 12 min · Total: 37 min · Servings: 8 · Calories: 310 kcal
Ingredient Notes for Air Fryer Sour Cream Donuts
Sour cream: Regular or low-fat both work; the fat keeps the crumb tender and the acidity reacts with baking soda for lift.
All-purpose flour: Measure by weight (125g) or spoon and level; too much flour makes the batter stiff and donuts dense.
Baking soda: Make sure it’s fresh; it’s the only leavener and the sour cream’s acidity activates it.
Ground nutmeg: Freshly grated nutmeg is stronger; use pre-ground if that’s what you have, just check the date.
The first time, I stirred until the batter was smooth, thinking that was right. I ended up with tough little rocks instead of donuts.
How to shape, fry, and glaze these donuts
Mix the batter
Whisk the wet ingredients together before adding the dry. You want a smooth, thick batter that falls off the spoon in a ribbon, not a runny puddle.
Fill the molds
Fill each well about two-thirds full. If you go higher, the donut will dome over the edge; lower, and you get a thin, flat ring.
Air fry the donuts
Set the air fryer to 320°F and cook for 10 to 12 minutes. At 10 minutes, the top is golden and the donut springs back when pressed; at 12, the edges are noticeably crisp.
Glaze while warm
Whisk the glaze until smooth, then dip each warm donut. The heat thins the glaze so it runs over the surface in a thin, even layer that sets into a crisp shell.
Air Fryer Sour Cream Donuts
Ingredients
Sour Cream Donuts
- 1/2 cup sour cream regular or low-fat
- 1 large egg
- 1/2 teaspoon pure vanilla extract
- 1/4 cup vegetable oil
- 1/2 cup granulated sugar
- 1 cup all-purpose flour 125g
- 1/2 teaspoon baking soda
- 1/8 teaspoon ground nutmeg
- 1/4 teaspoon sea salt
Glaze
- 1 3/4 cup powdered sugar 200g
- 1/4 cup milk
- 1/4 teaspoon pure vanilla extract
Instructions
Sour Cream Donuts
Mix batter ingredients:
Combine sour cream, egg, vanilla, oil, and sugar in a large bowl. Then add flour, baking soda, salt, and nutmeg; stir until incorporated.Fill and air fry donuts:
Coat donut molds with nonstick spray. Fill each mold about two-thirds full with batter. Arrange molds in the air fryer basket and cook at 320°F (160°C) on the air fryer setting for 10 to 12 minutes.Cool donuts slightly:
Take donuts out of the air fryer basket and allow them to cool a bit before applying glaze.
Glaze
Whisk glaze ingredients:
For the glaze, whisk together powdered sugar, milk, and vanilla in a small bowl until the mixture is smooth.Dip donuts in glaze:
Immerse the slightly warm sour cream donuts into the glaze.Set glazed donuts:
Set the glazed donuts on a wire rack to let the glaze set before serving.Serve and enjoy:
Arrange on a plate, serve, and enjoy!
What you can swap (and what to leave alone)
Sour cream: Plain Greek yogurt (full-fat or 2%). Same acidity for the baking soda reaction, similar fat for tenderness.
The donut will be slightly less rich but still soft. Use the same 1/2 cup.
Sour cream: Buttermilk plus extra oil. Buttermilk has less fat, so add 1 tablespoon melted butter or oil to compensate.
Use 1/2 cup buttermilk plus the extra fat. The crumb will be a touch less tender but still light.
All-purpose flour: Gluten-free 1-to-1 flour blend (with xanthan gum). The batter will be thicker; don’t overmix or the donuts turn tough. Use the same 125g by weight.
They’ll be a little more fragile when warm, but the glaze helps hold them together.
Baking soda: Do not substitute. Baking soda reacts with the sour cream’s acid to create lift. No other leavener works the same here, baking powder won’t react fast enough, and you’ll get dense, flat donuts.
Storage
Glazed donuts are best the day they are made. The glaze sets into a crisp shell that contrasts with the soft crumb, but moisture from the donut slowly softens the glaze over time.
Store leftovers in an airtight container at room temperature for up to 2 days. After the first day, the glaze will be tacky rather than crisp, and the donut texture becomes uniformly soft.
Refrigeration speeds that softening and dries out the crumb, so skip it. To restore some texture, reheat a donut in the air fryer at 300°F for 2 minutes; the heat firms the exterior slightly, but the glaze will not recrisp.
Freezing is not recommended. The glaze cracks and weeps when thawed, and the crumb turns gummy.
If you must freeze, do so before glazing: wrap unglazed, cooled donuts in plastic wrap and freeze for up to 1 month. Thaw at room temperature, then glaze and serve immediately.
Tips
- Use a toothpick to check doneness at 10 minutes; if it comes out clean, stop cooking to avoid dry donuts.
- Let the glazed donuts rest on a wire rack for at least 5 minutes before serving so the glaze sets properly.
Frequently Asked Questions
Can I make these donuts ahead of time?
Best the day they’re made. The glaze sets crisp against the soft crumb, but moisture softens it overnight. Store unglazed donuts at room temperature for up to 2 days, then glaze just before serving.
Why did my donuts turn out dense?
Most likely the flour was packed into the cup, making the batter stiff. Spoon flour into your measuring cup and level it, or weigh 125g. Baking soda that’s past its prime won’t give enough lift either.
How do I know when the donuts are done?
At 10 minutes the top is golden and the donut springs back when you press it. If you want the edges noticeably crisp, go to 12 minutes. Overbaking dries the crumb, so check early.
Can I use a different shape instead of donut molds?
Yes, mini muffin pans work, fill each well two-thirds full and adjust time to 8 to 10 minutes. The shape changes the texture: muffins will be softer all around since they lack the hole’s extra surface.
What’s the difference between these and traditional fried donuts?
These are baked in an air fryer, so they absorb far less oil. The crumb stays tender from the sour cream, but the crust is more like a golden shell than a greasy, crunchy exterior.
