Classic Yellow Cake

Yellow Cake

• 4 large eggs, room temperature
• 10 oz whole milk, room temperature
• 1 tbsp lemon juice
• 6 oz unsalted butter, softened to room temperature, plus extra to grease
• 2 oz vegetable oil
• 12 oz sugar
• 11 oz all-purpose flour
• 3 tbsp cornstarch
• 2 tsp baking powder
• ½ tsp baking soda
• ½ tsp salt
• 1 tbsp vanilla extract

Chocolate Buttercream

• 12 oz unsalted butter, softened to room temperature
• 3 oz cocoa powder
• 16 oz confectioners sugar
• 3 oz whole milk, room temperature