Arctic Roll

Vanilla Ice Cream

• 1 tsp natural vanilla extract
• 400 g whole milk
• 120 g double cream
  或 whipping cream
• 120 g sugar
• 4 egg yolks, from medium eggs
• 1 pinch fine sea salt (可选的)

Strawberry Jam

• 125 g strawberries, ripe, halved or quartered as needed (see tip)
• 5 g lemon juice
• 80 g sugar

Swiss Roll Sponge

• 3 large eggs
• 120 g caster sugar
• 70 g self-raising flour
• 1 Tbsp caster sugar