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Genoise Pralinee
Place in a copper basin four eggs, two ounces sugar and a half teaspoon vanilla essence, place basin on range and beat up with whisk for fifteen minutes. Remove to a table, add two ounces sifted flour, mix well with skimmer, add one and a half ounces melted butter, then mix well again. Line the bottom of a small pastry pan with a piece of buttered paper, drop in preparation, smooth surface and set in oven for fifteen minutes. Remove to oven door, egg surface and sprinkle over two ounces finely chopped and shelled almonds, a tablespoon powdered sugar, and reset in oven for five minutes. Remove, let rest for five minutes, turn upon table, lift up paper, cut it in twelve even pieces, dress on a dish with a folded napkin and serve.
A plain génoise batter — no chemical leavening, all lift from eggs beaten warm — finished with an almond and sugar crust. The whole thing hangs on the beating stage.
- The hinge: beat warm, not hotThe basin goes over gentle heat only to bring the eggs and sugar to about body temperature, roughly 110F, which lets them take up far more air. If the bowl gets hot enough to set the egg you will have sweet scrambled egg. A bowl over barely simmering water is safer than direct contact with a burner.
- Fifteen minutes of whiskingThat is the hand-whisk figure. A stand mixer on high reaches the same point in four to six minutes off the heat — the batter should fall from the whisk in a ribbon that sits on the surface for a few seconds before sinking.
- Copper basinUnlined copper is traditionally held to help egg foams stay stable, an effect best documented for whites rather than whole eggs; a stainless bowl works. Do not use unlined copper for anything acidic; here it is only eggs and sugar, so either is fine.
- Weights, not cupsThe ounces are weight. Two ounces sugar is about 57g (a scant 1/3 cup), two ounces flour about 57g (a scant 1/2 cup), an ounce and a half of butter is 3 tablespoons. Weighing matters more than usual in a batter with no leavening.
- Oven temperatureNone is given. A génoise like this is usually baked around 350F; fifteen minutes suits a shallow layer, though the recipe describes the pan only as 'small', so any size is a guess. Test with a fingertip -- the surface should spring back.
- "Mix well with skimmer"A skimmer here is a broad flat perforated tool, used to fold rather than stir. Fold the flour in with a large spatula in a few decisive strokes, then fold the melted butter (barely warm, not hot) down the side of the bowl. Overmixing at either stage collapses the foam and gives a dense, rubbery cake.
- "Remove to oven door"Pull the pan partway out onto the open door rather than taking it to the bench, so the cake does not chill and sink. "Egg surface" means brush with beaten whole egg before the almonds and sugar go on.
- Yield and servingTwelve small squares. The napkin-lined dish is period service; the cake keeps a day at room temperature but the almond crust softens after that.
Génoise takes its name from Genoa, and its arrival in French pastry is traditionally credited to Genoese confectioners working in France — a lineage handed down rather than documented in any single record. What distinguishes it from other sponge cakes is the whole-egg foam warmed over heat and enriched with melted butter, a technique that produces a closer, moister crumb than a separated-egg batter and became the standard base for layered French gateaux. Pralinée signals the almond finish; the word descends from the sugared almonds associated with the seventeenth-century Maréchal du Plessis-Praslin, whose cook is generally said to have devised them. Its appearance in an American cookbook reflects how thoroughly French professional pastry had become the reference standard for hotel and restaurant work in the United States — this is a chef's formula, written in the clipped shorthand of a kitchen where a copper basin and a skimmer were simply what lay to hand.