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Bakery Style Streusel Blueberry Muffins – Fluffy & Crunchy Perfection

Indulge in the ultimate bakery-style streusel blueberry muffins that are fluffy, moist, and topped with a crunchy cinnamon-sugar streusel. These muffins are perfect for breakfast, brunch, or a delightful dessert.
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Prep Time 15 minutes
Cook Time 20 minutes
Total Time 35 minutes
Servings: 12 servings
Calories: 250
Ingredients Method Notes

Ingredients
  

Ingredients
  • 2 cups all-purpose flour
  • 1/2 cup granulated sugar
  • 1/4 cup brown sugar
  • 2 teaspoons baking powder
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 teaspoon ground cinnamon
  • 1/2 cup unsalted butter, melted
  • 1 cup buttermilk
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1 1/2 cups fresh blueberries
  • 1/2 cup all-purpose flour (for streusel)
  • 1/4 cup granulated sugar (for streusel)
  • 1/4 cup brown sugar (for streusel)
  • 1 teaspoon ground cinnamon (for streusel)
  • 1/4 cup cold unsalted butter, cubed (for streusel)

Method
 

Instructions
  1. Preheat your oven to 375°F (190°C). Line a muffin tin with paper liners or grease it lightly with butter.
  2. In a small bowl, combine the flour, granulated sugar, brown sugar, and cinnamon. Add the cold cubed butter and mix with a fork or your fingers until the mixture resembles coarse crumbs. Set aside.
  3. In a large bowl, whisk together the flour, granulated sugar, brown sugar, baking powder, baking soda, salt, and cinnamon.
  4. In another bowl, whisk together the melted butter, buttermilk, eggs, and vanilla extract until smooth.
  5. Pour the wet ingredients into the dry ingredients and stir gently until just combined. Be careful not to overmix. Fold in the blueberries.
  6. Divide the batter evenly among the muffin cups, filling each about 3/4 full. Sprinkle the streusel topping generously over each muffin.
  7. Bake in the preheated oven for 18-22 minutes, or until a toothpick inserted into the center comes out clean. Allow the muffins to cool in the pan for 5 minutes before transferring them to a wire rack.

Notes

Use fresh blueberries for best results. Do not overmix the batter to avoid dense muffins. Buttermilk can be substituted with a mixture of milk and lemon juice or vinegar. For extra crunch, add chopped nuts to the streusel topping.