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Big Blueberry Muffins | ZoeBakes | photo by Zoë François

Blueberry Muffins

Perfect blueberry muffins are studded with fruit, with blueberries in every bite. It should have a crunchy streusel top and be tender inside. These blueberry muffins deliver on all of these.
Course: Breakfast

Ingredients

Topping

  • 1/2 cup (56g) all-purpose flour (bleached or unbleached will work)
  • 1/2 cup (110g) brown sugar, well packed
  • 1/4 tsp ground cinnamon
  • 1/8 tsp freshly ground nutmeg
  • 4 tbsp (57g) unsalted butter, room temperature

Muffins

  • 2 cups spoon and sweep (225g) all-purpose flour (bleached or unbleached)*
  • 3/4 tsp baking powder
  • 1/4 + 1/8 tsp baking soda
  • 3/4 tsp kosher salt
  • 6 tbsp (86g) unsalted butter, room temperature
  • 3/4 cup (150g) sugar
  • 2 tbsp (30g) brown sugar
  • 1 lemon zested
  • 2 tsp vanilla extract make your own
  • 1 whole egg room temperature
  • 1 yolk room temperature
  • 1/2 cup plus 2 tbsp (135g) sour cream or buttermilk** crème fraîche or yogurt work too!
  • 1 1/2 cups (175g) fresh or frozen blueberries***
  • 1 tbsp all-purpose flour

Instructions

  • Preheat oven to 375°F. Prepare the topping by mixing all the ingredients in a bowl until it turns into uniform clumps. Refrigerate until ready to sprinkle on muffins.
  • Prepare regular muffin tins with 7 LARGE liners. (You can bake regular sized muffins by dividing it into 12) I used mini copper soufflé moulds, but they are just as good made in regular muffin tins.
  • Whisk together the flour, baking soda, baking powder and salt in a bowl, set aside.
  • Cream the butter, sugars and zest together on medium speed, in a stand mixer with the paddle attachment, until light and fluffy, about 4 minutes. Add vanilla. Add the egg and yolk, one at a time, mixing on low just until combined. It may seem a bit curdled, because it is a lot of liquid to add to that amount of butter. It will all come together in the end.
  • Add half the flour and half the sour cream. Mix on low until combined. Add the remaining flour and sour cream.
  • Toss the blueberries with flour and if using frozen berries immediately fold them into the batter with two or three gentle stirs. If you over mix, the batter will turn purple and then gray. Scoop into the muffin liners.
  • Sprinkle the topping over the muffins. Bake for about 35-40 minutes or until golden brown and a tester comes out with moist, but not wet, crumbs. If you are baking smaller muffins, bake for 20-25 minutes. Cool slightly and serve warm or at room temperature.

Notes

*If you use King Arthur Baking all-purpose flour, your muffins will not be as soft and fluffy, because it has more protein, so use a few tablespoons less.
**You can use creme fraiche or yogurt if you can't find sour cream.
***If you use frozen blueberries, keep them frozen until the last minute.
These muffins can be frozen. Thaw them out and reheat in a warm oven for about 10 minutes to serve.