Apples with cider sabayon sauce

Steamed apples

• 4 apples (approx. 150 g each) (e.g. Braeburn, Golden Delicious, Fuji, Royal Gala), unpeeled or peeled
• 2 - 3 tbsp lemon juice (25 g)
• 500 g water

Cider sabayon sauce

• 50 g sugar
• 1 egg
• 3 egg yolks
• 160 g dry cider
• 2 tsp cinnamon sugar, for sprinkling