For the crumbles, chop the chocolate coating and amaretti. Mix amaretti, chocolate coating, almonds and sugar. Wash lemon hot, grate dry and grate peel thinly. Mix egg yolk, liqueur and lemon peel.
Mix the egg yolk mixture into the amaretti-almond mixture.
Wash, clean and halve the peaches. Remove stone. Place the peach halves in a greased casserole dish with the cut surface facing upwards. Spread the Amaretti mixture over the peach halves. In a preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see
manufacturer) 20-25 minutes until the crumbles are golden brown. Arrange 2 halves on 4 plates and pour the vanilla sauce over each.