01 -
Preheat oven to 350°F. Line a 9 x 5-inch loaf pan with parchment paper or lightly grease with butter.
02 -
In a medium bowl, whisk together the flour, baking powder, and salt. Set aside.
03 -
In the bowl of an electric mixer, blend melted butter, sugar, eggs, vanilla extract, lemon zest, and lemon juice until fully incorporated.
04 -
Alternately add half of the flour mixture and half of the milk to the wet ingredients, mixing gently. Repeat with remaining flour mixture and milk. Mix until just combined; do not overmix.
05 -
If using fresh blueberries, rinse and dry them, leaving a slight moisture on the surface. In a small bowl, toss blueberries with 1 tablespoon of flour to coat.
06 -
Gently fold the flour-coated blueberries into the batter by hand, being careful not to crush the berries.
07 -
Pour batter into the prepared pan and smooth the surface. Bake for 55 to 65 minutes, or until a toothpick inserted in the center comes out clean.
08 -
Allow bread to cool in the pan for about 30 minutes. Transfer loaf to a wire rack placed over a baking sheet to collect excess glaze.
09 -
Whisk melted butter, powdered sugar, lemon juice, and vanilla extract in a small bowl until smooth.
10 -
Pour the glaze evenly over the warm loaf. Let set for several minutes before slicing.