Using ingredient butter until ligh beat in egg yolks one at a time

Chocolate Malt Cake

• 9 cake pans with
• 3 eggs (separated)
• 1 frosting
• 1/2 batter cake (into pan)
• 450 gr semi-sweet chocolate chips
• 325 gr cake flour
• 280 gr flour with baking powder
• 270 gr sugar
• 240 ml flat dark beer
• 180 ml butter until ligh beat in egg yolks one at a time