• Pre-heat your oven to 350°. Prepare a loaf pan by lining it with parchment paper and spraying with non-stick spray. (If you don't have parchment, just spray well with non-stick spray)
• Melt your butter in a large bowl. You can do this in the microwave.
• To the butter add the sugar, milk, lemon zest and juice, and vanilla. Whisk together allowing the butter to cool, then add the eggs and whisk again.
• Sprinkle the flour evenly over the wet butter mixture. Then sprinkle in the baking powder, and salt.
• Use a spatula to stir the batter together just until you see no more dry flour.
• In a small bowl, add the blueberries and 1 teaspoon of water just to coat them. Then sprinkle in 2 teaspoons of flour and toss to coat the berries.
• Add the berries to the batter and stir gently being careful not to pop any berries.
• Add the batter to your prepare pan and bake for 1 hour or until a toothpick comes out clean when inserted in the center of the loaf.

Optional Glaze

• Mix together the lemon juice and powdered sugar then pour over the cooled loaf.