Kue Mentega (Cak Bolu Vanila)

Bahan-bahan (12 porsi)

• 225 g / 2 sticks unsalted butter (, cut into 8 pieces and softened)
• 4 large eggs ((55 - 65g / 2 - 2.5 oz each), at room temperature)
• 1/2 cup / 125 ml milk ((whole or low fat, not no fat), room temperature)
• 2 tsp vanilla extract
• 1 3/4 cups / 265g plain flour ((all purpose flour, 7 oz) (Note 1))
• 1/4 cup cornflour / cornstarch ((Note 1))
• 2 tsp baking powder
• 1 1/2 cups / 330g caster sugar / superfine sugar ((normal white sugar also ok))
• 3/4 tsp salt
• 2 1/2 cups / 625 ml whipping cream
• 2 tbsp white sugar
• 1 tsp vanilla extract
• 400 g / 14 oz strawberries (, halved (1 1/2 punnets))