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Fluffy Blueberry Crumb Muffins

fluffy blueberry crumb muffins - featured image

These fluffy blueberry crumb muffins feature a crunchy streusel topping and are easy to make with simple pantry ingredients. Perfect for breakfast, brunch, or a sweet treat.

Ingredients

Scale
  • 2 cups (250g) all-purpose flour
  • 2 teaspoons baking powder
  • ½ teaspoon baking soda
  • ½ teaspoon salt
  • ¾ cup (150g) granulated sugar
  • ½ cup (115g) unsalted butter, melted and slightly cooled
  • 2 large eggs, room temperature
  • 1 teaspoon vanilla extract
  • ¾ cup (180ml) buttermilk, room temperature (or dairy-free milk plus 1 tbsp lemon juice)
  • 1½ cups (225g) fresh blueberries, tossed with 1 tablespoon flour
  • For the streusel topping:
  • ½ cup (65g) all-purpose flour
  • ⅓ cup (65g) packed brown sugar
  • 1 teaspoon ground cinnamon
  • 4 tablespoons (55g) unsalted butter, cold and cubed
  • Optional: pinch of nutmeg or chopped nuts like pecans

Instructions

  1. Preheat oven to 375°F (190°C). Line a 12-cup muffin tin with paper liners or grease thoroughly.
  2. Prepare the streusel topping: In a small bowl, combine ½ cup flour, ⅓ cup brown sugar, 1 teaspoon cinnamon, and a pinch of nutmeg if using. Add cold, cubed butter and work into coarse crumbs using a pastry cutter or fingertips. Chill in the fridge.
  3. In a large bowl, whisk together 2 cups flour, baking powder, baking soda, and salt.
  4. In a separate bowl, whisk melted butter, sugar, eggs, vanilla extract, and buttermilk until smooth.
  5. Pour wet ingredients into dry ingredients and fold gently with a spatula just until combined; batter should be lumpy.
  6. Toss blueberries with 1 tablespoon flour and fold gently into the batter.
  7. Scoop batter into muffin cups, filling about ¾ full.
  8. Sprinkle a generous amount of streusel topping over each muffin.
  9. Bake for 20-25 minutes, checking at 20 minutes with a toothpick; it should come out clean or with a few moist crumbs.
  10. Cool muffins on a wire rack after 5 minutes in the pan to keep the crumb topping crunchy.

Notes

Use room temperature eggs and buttermilk for best results. Toss blueberries in flour before folding to prevent sinking. Keep streusel butter cold to maintain crunchy topping. Tent with foil if streusel browns too quickly. Avoid overmixing batter to keep muffins tender.

Nutrition

Keywords: blueberry muffins, crumb topping, streusel muffins, easy breakfast, homemade muffins, blueberry crumb muffins