Lemon meringue ice-cream cake

Name: Lemon meringue ice-cream cake
Prep time: 15 min
Total time: 15 min
Yield: 4 porties
Cuisine: Belgian
Ingredients: caster sugar; freshly squeezed lemon juice; unsalted butter; eggs; caster sugar; egg yolks; pouring (whipping) cream; natural vanilla extract; sea salt; unsalted butter