01Heat the milk.
Warm milk with lemon zest until steaming, then remove the zest.
The milk should be hot but not aggressively boiling.
Zuppa inglese emiliana layers sponge cake or savoiardi touched with crimson Alchermes between vanilla pastry cream and chocolate cream. The dessert is chilled until the layers settle but the biscuits remain distinct rather than saturated into mush.

La Cucina Italiana describes the established structure as sponge or savoiardi soaked with Alchermes and alternated with pastry cream and chocolate cream, strongly associated with Emilia-Romagna and central Italy.
The soaking stage is deliberately restrained: too much liqueur destroys the biscuit structure and overwhelms the custard.
Making one pastry-cream base and flavouring part with dark chocolate keeps both creams at comparable thickness.
A long chill lets the spoon dessert slice or scoop cleanly and rounds the sharp alcoholic edge.
Warm milk with lemon zest until steaming, then remove the zest.
The milk should be hot but not aggressively boiling.
Whisk yolks, sugar and cornstarch; temper with hot milk, return to the pan and whisk until thick and bubbling for about 1 minute.
The cream should leave defined whisk tracks and no raw starch taste.
Divide the hot cream equally and stir chocolate into one half until smooth; cover both surfaces directly.
Vanilla and chocolate creams should have similar thickness.
Combine Alchermes with water if a lighter alcoholic intensity is preferred.
The mixture should remain aromatic and vividly coloured.
Arrange a tight first layer of biscuits and brush or dip very briefly with Alchermes.
Biscuits should colour evenly but still feel structurally firm.
Spread vanilla cream, add another soaked biscuit layer, then chocolate cream; repeat if the dish allows.
Layers should remain visible and level rather than blending together.
Cover tightly without crushing the top layer.
No refrigerator odours should reach the custard.
Refrigerate at least 4 hours, preferably 6.
The dessert should be cold throughout and the creams firm enough to hold a spoonful.
Dust lightly with cocoa if desired and spoon into chilled dishes.
Each serving should show red-soaked biscuit, pale custard and chocolate cream.
Alchermes is part of the classic colour and flavour. For an alcohol-free version, use a berry-citrus syrup, clearly treated as an adaptation.
Both pan di Spagna and savoiardi are established choices. Savoiardi make moisture control especially easy in a home kitchen.
The dessert is ideal the day before serving, provided the biscuits are not over-soaked.
Alcohol contributes to the estimate but some volatile alcohol dissipates during storage and serving.
Contains egg, milk and gluten; dark chocolate and savoiardi may carry additional allergen warnings.
Cook the custard thoroughly and refrigerate the assembled dessert at 4°C or colder.
Because it contains dairy custard and egg, return leftovers to refrigeration promptly.
Despite the name, it is an Italian dessert; its precise origin is debated.
Traditionally Alchermes, a vividly coloured aromatic liqueur.
No. A controlled soak preserves the layered texture while the biscuits continue absorbing moisture during chilling.