- 3 tablespoons milk
- 3 large eggs
- 1½ teaspoons vanilla extract
- 1½ cups (360 ml) sifted cake flour
- ¾ cup (18 0ml) sugar
- ¾ teaspoon baking powder
- ¼ teaspoon salt
- 1 tablespoon (loosely packed) grated lemon zest
- 3 tablespoons (dry) poppy seeds
- 13 tablespoons unsalted butter, at room temperature
- ¼ cup (4 tablespoons, 60 ml) plus 2 tablespoons sugar
- ¼ cup (4 tablespoons, 60 ml) fresh lemon juice