Boston Cream Pie

Created in 1856 at the Parker House Hotel in Boston by French-trained chef M. Sanzian. "Pie" because mid-1800s American kitchens used the same round pans for pies and cakes — the names were interchangeable. It was named the official state dessert of Massachusetts in 1996. The chocolate glaze on top, now the signature feature, was the genuine innovation; layered cream cakes existed before.

1856 Parker House Hotel, Boston — French-trained chef M. Sanzian. Called pie because mid-1800s American kitchens used the same round pans for both. Massachusetts state dessert since 1996.

Two layers of yellow sponge cake, a thick band of vanilla pastry cream between, dark chocolate glaze poured over the top so it runs partway down the sides. Fork goes through cleanly. The cream should taste of egg yolk and real vanilla, not pudding mix; the chocolate should be bittersweet, not waxy. Refrigerated overnight, it eats firmer and more sliceable than fresh.

Pastry cream is the load-bearing element: yolks plus milk plus cornstarch cooked to a stable, sliceable thickness — runnier than pudding, firmer than custard sauce. Underthickened, the cake slumps; overthickened, it eats pasty. The chocolate glaze is a ganache or fondant variant that must be poured warm enough to flow but cool enough to set within minutes, or it pools off the cake and onto the plate.