Example: Norwegian Omelet

Omelette norvégienne (Norwegian omelet) teaches insulation. The ice cream survives not because the oven is gentle, but because a thick Pâte à Génoise Fine (No. 2376) below and a continuous two-thirds-inch coat of Ordinary Meringue (No. 2382) above delay the heat while fierce colour reaches the surface. The one true thing is simple: freeze the centre hard and leave no seam uncovered.

The book assumed a pastry section with those two preparations waiting, a freezer holding moulded ice cream hard, and a long fireproof service dish that could pass directly into a ferocious oven. At home, make a four-person oval on a heavy metal tray or ovenproof platter, use your coldest freezer and hottest oven, and complete the assembly in one brisk movement. The brigade quantity and elaborate piping are scaffolding; the Génoise cushion, fruit ice cream pyramid, full meringue coat, and fierce final heat are the dish. One cook, one stove, one evening.

When it is right, the piped ridges emerge bronzed while the first cut reveals fruit ice cream still firm enough to hold a clean edge. Before you begin, clear a freezer shelf and remember the deciding step: the meringue must be an even two-thirds of an inch thick, including where it meets the cake.