Preheat the oven to 175°C / 350°F.
Combine flour with baking powder, semolina, and salt. Set aside.
Combine milk with vanilla extract.
Beat eggs and sugar using your electric mixer with the whisk attachment on. Beat on high until the eggs turn a pale whitish yellow, thicken, and become frothy.
Mix in the dry ingredient mixture and the milk, alternately and gradually
Butter a 12-inch (31 cm) round baking pan.
Transfer the cake batter into the pan and spread it evenly with a spoon.
Bake for 30 to 35 minutes or until a toothpick inserted in the center of the cake comes out clean.