Lemon Blueberry Muffins Streusel (Printable Version)

Moist muffins loaded with fresh blueberries and lemon zest, finished with a crunchy streusel topping.

# What You'll Need:

→ For the Muffins

01 - 2 cups all-purpose flour
02 - 2 teaspoons baking powder
03 - 1/2 teaspoon baking soda
04 - 1/2 teaspoon salt
05 - 1/2 cup unsalted butter, melted and cooled
06 - 3/4 cup granulated sugar
07 - 2 large eggs, room temperature
08 - 1/2 cup milk
09 - 1/4 cup sour cream or Greek yogurt
10 - Zest of 2 lemons
11 - 2 tablespoons fresh lemon juice
12 - 1 1/2 cups fresh or frozen blueberries

→ For the Streusel Topping

13 - 1/2 cup all-purpose flour
14 - 1/3 cup granulated sugar
15 - 1/4 teaspoon ground cinnamon
16 - 1/4 cup cold unsalted butter, cubed

# Step-by-Step:

01 - Preheat oven to 375°F. Line a 12-cup muffin tin with paper liners or grease lightly with cooking spray.
02 - In a small bowl, combine flour, sugar, and cinnamon. Cut in cold butter using a fork or pastry blender until mixture resembles coarse crumbs. Refrigerate until ready to use.
03 - In a medium bowl, whisk together flour, baking powder, baking soda, and salt until well blended.
04 - In a large bowl, whisk melted butter and sugar until combined. Add eggs one at a time, whisking well after each addition. Whisk in milk, sour cream, lemon zest, and lemon juice until smooth.
05 - Gently fold dry ingredients into wet ingredients just until combined. Do not overmix—a few small lumps are acceptable.
06 - Toss blueberries with 1 tablespoon flour to prevent sinking, then gently fold into the batter.
07 - Divide batter evenly among muffin cups, filling each about 3/4 full. Sprinkle streusel topping generously over each muffin.
08 - Bake for 20 to 22 minutes, or until a toothpick inserted into the center comes out clean.
09 - Cool in pan for 5 minutes, then transfer to a wire rack to cool completely.

# Expert Advice:

01 -
  • The streusel creates this incredible crunch that contrasts perfectly with the tender crumb
  • Fresh lemon zest and juice make these taste bright and cheery even on gray mornings
02 -
  • Room temperature ingredients blend better and create a more tender muffin
  • Frozen blueberries work great but toss them in flour first to prevent purple streaks in the batter
03 -
  • Use an ice cream scoop to portion the batter evenly and keep the muffins uniform
  • Let the melted butter cool slightly before mixing so it does not scramble the eggs

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