Baked Alaska

Cake

• sunflower oil, to grease
• 1 lemon, zest and (1 oz) juice
• 5 oz sugar
• 4 ½ oz all-purpose flour
• 2 tbsp corn starch
• 1 large egg
• 3 oz whole milk
• ¼ tsp salt
• 1 ½ tsp baking powder
• 30 oz ice cream of choice (approx. 2 pints), softened, divided

Italian Meringue

• 9 ½ oz confectioners sugar
• 3 ½ oz egg whites, from large eggs
• 1 pinch salt