Preheat oven to 325 degrees.

Grease and flour your baking pan.

In a bowl whisk flour, baking powder and salt.Set aside.

Heat butter and milk in a sauce pan till butter melts and mixture is hot but not boiling.Stir in vanilla.

In a separate bowl beat eggs and sugar with an electric mixer until tripled in volume.This takes about 6 minute(this length of time is important)

Slowly add hot milk mixture until well incorporated.

Add flour mixture beating just until incorporated.

Pour into prepared pan and bake for 50-60 min or until a toothpick inserted comes out clean.

Cool, serve and enjoy.