Blueberry Streusel Baked Donuts

Name: Blueberry Streusel Baked Donuts
Prep time: 25 min
Cook time: 25 min
Total time: 50 min
Cuisine: American
Ingredients: 1 cup all-purpose flour; 1/2 cup granulated sugar; 1 teaspoon baking powder; Pinch of salt; 1 large egg; 2 tablespoons melted butter; 1/4 cup all-purpose flour; 1/4 cup granulated sugar; 2 tablespoons cold butter, cut into pieces

Recipe by Sam Rivera · Updated September 2025

Casserole

There's something magical about sinking your teeth into a warm, blueberry-studded donut with a buttery streusel crumble that melts into every bite. Home cooks adore this recipe for its cozy simplicity and the way it fills the kitchen with the sweet scent of summer berries. Perfect for lazy weekend mornings, holiday brunches, or even as a thoughtful homemade gift, these donuts strike the ideal balance between cakey softness and crumbly richness. What makes them irresistible isn't just the burst of juicy blueberries-it's the way the streusel creates a textural contrast that keeps you reaching for just one more.

What Makes This Recipe Special

The streusel topping is crafted with cold butter and blended just until crumbly, ensuring it stays crisp and buttery rather than melting into the batter during baking.
Blueberries are added directly to the batter for maximum flavor and juiciness, but they're lightly coated in flour first to prevent sinking.
This recipe skips the deep-fryer entirely, using a donut pan for oven-baked donuts that are lighter yet still indulgent.
The streusel is sprinkled over the batter in the pan rather than mixed in, so each donut has a generous, melty topping right where you want it.

⏱ 50 mins

American

Servings 4

Ingredients

1 cupall-purpose flour

1/2 cupgranulated sugar

1 teaspoonbaking powder

Pinch of salt

1 largeegg

2 tablespoonsmelted butter

1/4 cupall-purpose flour

1/4 cupgranulated sugar

2 tablespoonscold butter, cut into pieces

Nutrition

430 caloriesCalories

Per serving · Values are estimates

Instructions

In a small bowl, combine 1/4 cup flour with 1/4 cup granulated sugar. Add 2 tablespoons cold butter, cut into pieces, and blend with a pastry blender or fork until mixture is crumbly.

In a large bowl, whisk together 1 cup all-purpose flour, 1/2 cup granulated sugar, 1 teaspoon baking powder, and a pinch of salt until well combined.

In a separate bowl, whisk 1 large egg with 2 tablespoons melted butter until smooth.

Fold wet ingredients into the dry mixture, stirring until just combined to avoid overmixing.

Spoon batter evenly into a greased donut pan. Sprinkle the streusel topping generously over each portion of batter.

Bake in a preheated oven at 350°F (175°C) for 25 minutes or until donuts are golden and a tester comes out clean. Let cool slightly in the pan, then transfer to a wire rack.

Essential Tips

Use room-temp egg

Bring your egg to room temperature before whisking it with melted butter. This prevents the butter from seizing up when it hits the cold egg, ensuring a smooth batter that rises evenly and bakes to a tender crumb.

Don't overmix the batter

Fold the wet ingredients into the dry mixture just until no dry spots remain. Overmixing develops gluten, which can make the donuts tough instead of soft and cake-like.

Freeze extras for later

Bake a full batch and freeze the cooled donuts in a single layer on a tray before transferring to a bag. They reheat beautifully in the toaster or air fryer-perfect for impromptu cravings.

Press blueberries gently

When folding in the blueberries, use a spatula and gentle motions to avoid crushing them. This preserves their shape and keeps pockets of juicy flavor throughout each donut.

Grease the donut pan well

Even with a nonstick pan, use a pastry brush to coat the cavities thoroughly with butter or baking spray. This ensures easy release and prevents the streusel from sticking to the pan.

Smart Swaps & Variations

Lemon Blueberry Add 1 teaspoon lemon zest to the batter and swap 2 tablespoons of the flour for cornstarch to keep the donuts tender while brightening the blueberry flavor.

Cinnamon Sugar Omit the streusel and instead mix 2 tablespoons granulated sugar with 1 teaspoon cinnamon. Roll warm donuts in the mixture for a classic cinnamon-sugar twist.

Gluten-Free Replace the all-purpose flour with a 1:1 gluten-free baking flour blend and add 1/2 teaspoon xanthan gum to maintain structure.

Vegan Use flax egg (1 tablespoon ground flaxseed + 3 tablespoons water) and substitute melted coconut oil for butter in both the batter and streusel.

What to Serve With This

A steaming cup of cold brew or chai latte to contrast the sweetness and enhance the blueberry notes.
Freshly whipped cream cheese frosting drizzled with lemon glaze for an elegant brunch spread.
Warm maple syrup or honey for dipping-perfect for a cozy fireside treat on chilly evenings.
A dollop of vanilla bean ice cream alongside a scoop of warm donuts for a decadent dessert.

Storage & Reheating

Storage

Store cooled donuts in an airtight container at room temperature for up to 3 days. For longer storage, freeze them in a single layer and transfer to a freezer bag for up to 2 months.

Reheating

Reheat donuts in a toaster or air fryer at 300°F (150°C) for 2-3 minutes to restore warmth and crispness. Avoid microwaving, as it can make the streusel soggy.

Expert Chef Tips

For an extra-flaky streusel, pulse the butter and sugar-flour mixture in a food processor until it resembles coarse sand, then chill for 10 minutes before topping the batter.
Use a piping bag or spoon to evenly distribute the batter into the donut pan cavities-this ensures consistent sizing and even baking.
If your blueberries are particularly large, gently press them into the batter so they're fully submerged, preventing them from popping out during baking.

Equipment You’ll Need

Nonstick donut pan with 6-8 cavities
Pastry blender or fork for the streusel
Medium mixing bowls (2)
Whisk

Nutritional Benefits

At 430 calories per donut, this treat is moderately indulgent but balanced by the fiber and antioxidants from blueberries.
Each donut provides about 20% of the daily value for vitamin C (from blueberries), supporting immune health.
The streusel adds heart-healthy fats from butter, while the blueberries contribute anti-inflammatory compounds like anthocyanins.
For a lighter version, reduce the butter in the streusel by half and use Greek yogurt in place of some of the butter in the batter-cutting calories by ~30% per donut.

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Frequently Asked Questions

Can I use fresh or frozen blueberries interchangeably?

Yes, but frozen blueberries are less likely to bleed and discolor the batter. If using fresh, toss them in 1 tablespoon flour before folding in to absorb excess moisture. Avoid thawing frozen berries first, as this releases too much juice.

Why are my donuts dense instead of fluffy?

Overmixing the batter activates gluten, leading to a tough crumb. Also, ensure your baking powder is fresh-old powder loses potency and won't lift the donuts properly. Measure ingredients accurately; too much flour will weigh them down.

Can I make this batter ahead of time?

No, the batter should be baked immediately after mixing for the best rise and texture. However, you can prepare the streusel topping up to 2 days ahead and store it in the fridge until ready to use.

What's the best way to grease a donut pan?

Use a pastry brush to coat the cavities with melted butter or baking spray, ensuring every crevice is covered. For extra insurance, dust the pan lightly with flour after greasing-this creates a nonstick barrier that prevents sticking.

Can I bake these in a muffin tin instead of a donut pan?

Yes, though the texture will be closer to a muffin. Bake for 20-22 minutes and let cool slightly before removing. The streusel will still caramelize beautifully on top.

How do I prevent the streusel from burning?

Sprinkle the streusel right before baking so the butter in the topping doesn't melt prematurely. If your oven runs hot, tent the pan loosely with foil for the last 5 minutes of baking.

Can I add a glaze or frosting?

Absolutely! Let the donuts cool completely, then drizzle with a simple lemon glaze (powdered sugar + lemon juice) or spread with cream cheese frosting for extra indulgence.

Are these donuts best served warm or at room temperature?

They're delicious both ways! Serving them warm highlights the tender crumb and buttery streusel, while room-temperature donuts allow the blueberry flavor to brighten. Reheat briefly if you prefer warmth.