1 1/2 cups + 1 3/4 Tablespoons (375g) butter
10 egg yolks
1 cup granulated sugar
1 1/2 cups all purpose flour
1/2 teaspoon baking powder
1 teaspoon pure vanilla extract
Confectioners' sugar to dust
Melt the butter gently over low heat on the stove. Leave to cool.
Lightly grease and line the bottom of an 8″ round cake pan. Preheat oven to 325 degree F.
Cream yolks and sugar until creamy and pale yellow. Remember to scrape down the sides and bottom periodically.
Add in the cooled melted butter and vanilla.
Sift the flour and baking powder (and a pinch of salt if using) and fold carefully into the creamed mixture.
Scrape into pan and level surface. Bake for 45-60 mins until a skewer inserted in the middle comes out clean
Dust with confectioners' sugar before serving.