In a bowl, beat the cream cheese and butter until fluffy. Add powdered sugar, vanilla, and milk until smooth and pourable. Set aside.
In a medium bowl, whisk cake flour, salt, baking powder, and sugar.
In a small bowl, mix evaporated milk, lemon juice, and lemon zest. Let rest for 5 minutes, then whisk in egg, vanilla, and melted butter.
Pour wet ingredients into dry and gently stir until just combined.
Heat ebelskiver or pancake popper pan over medium heat and lightly butter each cavity.
Fill each cavity 3/4 full with batter, press 3–4 blueberries into each, and cook 1 minute.
Flip and cook another 1 to 1.5 minutes until golden.
Serve warm Blueberry Lemon Pancake Bites with cream cheese icing.