Preheat oven to 350o F
Grease and lightly flour a loaf pan
In a small bowl, toss 1 cup of blueberries in 1 tbsp. of flour.
In a large bowl, beat together melted butter, sugar, lemon juice and eggs.
In a medium bowl, whisk together flour, baking powder and salt.
Mixing with an electric mixer, alternately add in small amount of dry ingredient mixture and 1/2 cup milk. Combine all ingredients throughly between additions.
One fully combined, fold in flour-tossed blueberries.
Pour batter into greased and floured loaf pan.
Bake for 60-70 minutes, or until toothpick inserted in the center comes out clean.
Remove from oven and allow to cool on a wire rack fro at least 20 minutes before removing loaf from pan.
Store covered at room temperature for 3-4 days.