Blueberry Streusel Muffins

The streusel is why you make these instead of plain blueberry muffins. A mixture of flour, brown sugar, cold butter, and cinnamon worked into coarse crumbs and scattered over the batter before baking — it caramelizes as the muffins rise and bakes up crunchy in a way the muffin itself never could. The batter is straightforward: whole milk, melted butter, lemon zest for brightness, fresh blueberries folded in gently at the end.

Make the streusel first, before you mix the batter — that way it stays cold while you work and goes on the muffins already at the right temperature. Cold butter is non-negotiable for streusel. Room temperature butter produces a paste, not crumbs, and the topping won’t bake up crunchy.

Prep: 20 minutes  ·  Bake: 20–25 minutes  ·  Makes 12

What You Need

The batter:

• 2 cups (240g) all-purpose flour
• 3/4 cup (150g) granulated sugar
• 2 teaspoons baking powder
• 1/4 teaspoon salt
• 2 large eggs
• 1 cup (240ml) whole milk
• 1/2 cup (113g) unsalted butter, melted
• 1 teaspoon vanilla extract
• 1 teaspoon lemon zest — about 1 lemon
• 1 1/2 cups (210g) fresh blueberries

The streusel:

• 1/2 cup (60g) all-purpose flour
• 1/2 cup (110g) brown sugar, packed
• 1/2 teaspoon ground cinnamon
• Pinch of salt
• 1/4 cup rolled oats — optional, adds texture

this now & bake later ❤️

How to Make Them

Make the streusel first. Combine the flour, brown sugar, cinnamon, and salt in a small bowl. Add the cold butter cubes and work them in with your fingertips or a pastry cutter until the mixture forms coarse crumbs with some pea-sized pieces still visible. Stir in the oats if using. Refrigerate while you make the batter.

Preheat the oven to 350°F (175°C). Line a 12-cup muffin pan with paper liners.

Whisk the flour, sugar, baking powder, and salt together in a large bowl. In a separate bowl, beat the eggs, then whisk in the milk, melted butter, vanilla, and lemon zest. Add the wet ingredients to the dry and stir until just combined — stop when the flour disappears. Fold in the blueberries gently. Fill each cup about 2/3 full.

Scatter the cold streusel evenly over each muffin, pressing lightly to help it adhere. Bake for 20 to 25 minutes until a toothpick comes out clean. Cool in the pan for 5 minutes, then transfer to a rack.

On the Lemon Zest

A teaspoon of lemon zest in the batter is subtle — you won’t taste lemon, but it lifts the blueberry flavor in a way that’s hard to identify and easy to notice when it’s missing. Worth adding.

Per Muffin

• ~275 calories
• 12g fat, 38g carbs, 4g protein

Make These on a Weekend Morning

These are the muffins that look like you went to a bakery. The streusel shatters a little when you bite through it, the blueberries are still plump and jammy inside, and the lemon keeps the whole thing from being cloying. Once you’ve made the streusel version, plain blueberry muffins feel like they’re missing something.

Tell me in the comments whether you added the oats to the streusel and how long they lasted. Rate the recipe, save it on Pinterest, and subscribe for more.

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