Cook's Illustrated

Pumpkin Pie

Published November 1, 1993.

For the best of both worlds--pumpkin pie with a smooth, delicious filling and a crisp crust- --precook both before baking.

The Problem

A pumpkin pie is no more than a variation on custard pie, and it presents the baker with the same challenge--making the crust crisp while developing a filling that is firm but still tender. After baking countless pumpkin pies, we found it necessary to take a threefold approach.

The Goal

The best pumpkin pie, one that combines modern techniques for a crisp crust but that has a soft, custard-type filling reminiscent of the Colonial era.

The Solution

First, we began baking our crusts almost completely before filling them; that way we knew they would start out crisp. Next, we made sure that both shell and filling were hot when we assembled the pie, so the custard could begin to firm up almost immediately rather than soaking into the pastry. Finally, we baked the pie quickly, in the bottom of the oven, exposing the bottom of the crust to the most intense heat. But baking at high heat has its perils--when overbaked, custard will curdle, becoming grainy and watery. No matter what the heat level, however, curdling can be averted if the pie is taken out of the oven immediately once the center thickens to the point where it no longer sloshes but instead wiggles like gelatin when the pan is gently shaken. Residual heat finishes the cooking outside the oven. Furthermore, as with many older recipes, this recipe calls for heavy cream as well as milk and a good quantity of sugar. These ingredients not only improve the flavor but also protect the texture, as both fat and sugar serve to inhibit the curdling reaction.

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America’s Test Kitchen is a 2,500-square-foot kitchen located just outside of Boston. It is the home of Cook’s Country and Cook’s Illustrated magazines and is the workday destination for more than three dozen test cooks, editors, and cookware specialists. Our mission is to test recipes until we understand how and why they work and arrive at the best version. We also test kitchen equipment and supermarket ingredients in search of brands that offer the best value and performance. You can watch us work by tuning in to America’s Test Kitchen (www.americastestkitchen.com) on public television.