Salted caramel ice cream with popcorn and caramel sauce.

Ingredients

• 250 g sugar (1¼ cups)
• 50 g water (3 tbsp + 1 tsp)
• A splash of lemon juice
• 600 ml milk (2½ cups)
• 200 g caramel (about ¾ cup + 1 tbsp)
• 120 g heavy cream (½ cup)
• 80 g egg yolk (about 4–5 egg yolks)
• 1 tsp salt
• 200 ml popped popcorn (about ¾ cup)
• 200 ml granulated sugar (about ¾ cup + 1 tbsp)
• Salt, to taste
• 50 g butter (3½ tbsp)
• 3 tbsp granulated sugar
• 3 tbsp heavy cream
• 1 sprig rosemary
• Lemon juice and zest, to taste
• A pinch of salt pinch