Preheat oven to 350 degrees. Grease and flour mini muffin tins
Sift together the flour, baking powder, baking soda, and salt; set aside.
In a medium bowl beat the sugar, butter, and lemon zest with an electric mixer.
Add the eggs beating after adding each one.
Combine the milk and the lemon juice.
Alternate the flour and the milk lemon mixture. Starting with the flour and ending with the flour.
Mix in the poppy seeds until combined
Fill the mini muffin tins about 2/3 to 3/4 full. Place the tins in the preheated oven and bake for 14 to 18 minutes or until the cakes bounce back after touching them lightly.
Remove from oven and remove from tins.
Set each cake bite on a cooling rack to cool completely.