Preheat your oven to 325 degrees F. Spray an 8x5 or 9x5-inch loaf pan with nonstick spray.
In a large mixing bowl, combine the butter and sugar using an electric mixer. Beat until light and fluffy.
Add the milk, eggs, lemon extract, and lemon zest to the mixture, beating well until fully incorporated.
In a separate bowl, whisk together the flour, salt, and baking powder. Gradually mix the dry ingredients into the wet mixture, beating just until combined.
Gently fold in the poppy seeds using a spatula.
Scrape the batter into the prepared loaf pan, spreading it evenly.
Bake for 50 minutes, or until a toothpick inserted into the center comes out clean.
Let the bread cool in the pan for about 30 minutes. Transfer to a wire rack to cool completely.
To prepare the glaze, whisk together the powdered sugar and enough lemon juice to create a thick glaze.
Once the bread is cool, pour the glaze over the top, letting it run down the sides. Let sit until the glaze firms up.
Slice and enjoy your Glazed Lemon Poppy Seed Bread.