INGREDIENTS
•
For the Streusel Topping
•
1/2 cup all-purpose flour
•
1/2 cup granulated sugar
•
1/4 cup light brown sugar
•
3/4 teaspoon cinnamon
•
1/4 teaspoon kosher salt
•
6 tablespoons unsalted butter, cubed
•
For the Muffin
•
1 stick unsalted butter, softened, plus more for greasing
•
4 cups all-purpose flour
•
2 tablespoons baking powder
•
2 teaspoons salt
•
1 1/4 cup granulated sugar
•
1/4 cup light brown sugar
•
2 eggs
•
1 teaspoon lemon zest
•
1 3/4 cups buttermilk
•
4 cups fresh blueberries
•
For the Glaze
•
1/2 cup confectioners’ sugar
•
2 tablespoons lemon juice
•
1/4 teaspoon kosher salt
•
1/4 teaspoon vanilla extract