Lemon blueberry muffins with crumb topping - moist, lemony, and full of juicy blueberries. You can't beat the taste and texture of these ultimate blueberry muffins! So delicious!
Preheat oven to 400 degrees F. Grease a muffin pan or line with muffin cups.
In a large bowl, combine the dry ingredients: 2 ¼ cup all-purpose flour, 2 teaspoon baking powder, ½ teaspoon baking soda, and ½ teaspoon salt.
In a second large bowl, or stand mixer, add 2 eggs and ¾ cup sour cream. Mix until eggs are broken and mostly combined. Add ½ cup unsalted butter, ½ cup granulated sugar, 1 cup milk, 1 teaspoon vanilla extract, 2 tablespoon lemon juice and 1 tablespoon lemon zest, and mix until well combined.
1 cup at a time, add the dry mixture into the wet ingredients, stirring after each addition. Mix until well combined. The batter may be a bit lumpy. Using a spoon, fold 1 ½ cup fresh blueberries into the batter.
Spoon batter into muffin tins until ¾ full.
Crumb Topping: In a small bowl, add all the crumb topping ingredients: 1 cup flour, 3 tablespoon light brown sugar, 2 tablespoon granulated sugar, 1 teaspoon baking powder, 6 tablespoon butter, melted. With a spoon or your hands, mix the ingredients, breaking up any large lumps.
Sprinkle about 2 tablespoon of the crumb topping onto the muffins in the tins. Very lightly press a little into the batter just enough to keep them from rolling off when baking.
Bake in the oven for 18-25 minutes. Allow to cool for a few minutes before removing to a wire rack to cool completely.
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Notes
To Make Lemon Blueberry BreadScoop the muffin batter into a greased loaf pan and bake for 55-60 minutes in a 350 degree oven. Remove from the loaf pan and cool on a wire rack.Tips and TricksSilicone baking pans and muffin liners like these are great for nonstick. Parchment muffin cups tend to release easier, and you can spray them with cooking spray before adding the batter.You can use fresh or frozen blueberries, but frozen tends to bleed more and make the muffin purple. If you do use frozen blueberries, thaw them a bit and rinse and pat them dry.