Instructions

1. 1
   Preheat the oven to 400°F (200°C).
2. 2
   Grease a 12-cup muffin tin with cold butter.
3. 3
   Sift the flour, sugar, poppy seeds, lemon zest, lemon extract, baking powder, and salt into a medium bowl.
4. 4
   In a separate bowl, mix the milk, oil, lemon yogurt, and egg together.
5. 5
   Fold the dry ingredients into the wet mixture in three steps. Take care not to over-mix the batter.
6. 6
   Divide the batter between the muffin cups.
7. 7
   Bake for 16 minutes, or until golden brown. Muffins should be springy to the touch and a toothpick stuck in will come out clean.
8. 8
   While muffins are baking, prepare the glaze: Stir confectioners' sugar with the lemon juice until smooth.
9. 9
   Drizzle muffins with glaze.
10. 10
    Let cool on rack for 10 minutes and remove from muffin tin.