Note if substituting a homemade graham cracker crust: When making a homemade crust and using a 9-inch pie plate, I can’t quite fit all of the egg/syrup mixture. In this case, I simply omit the last few tablespoons to avoid overflowing the crust and have no adverse effects. A 10-inch plate will accommodate the ingredients more easily, but rest assured the recipe will still work well if you only have a 9-inch plate. Keebler store-bought crusts are typically 10 inches wide.
For a homemade graham cracker crust: In a mixing bowl, combine 1½ cups graham cracker crumbs (150g from 10 full graham cracker sheets), 6 tablespoons (84g) melted butter, and 4 tablespoons (48g) granulated sugar*. The mixture will be thick and sandy. Press into the bottom and up the sides of a 9- to 10-inch pie plate, and use the bottom of a flat measuring cup to make sure the crumbs are pressed compactly and are evenly dispersed, making sure to press into the corners. Bake the unfilled crust for 10 minutes at 350℉ and cool before filling and baking. You can also use the baked and cooled crust for a no-bake dessert, like a pudding pie.
For a gluten-free crust, mix 1 tablespoon (8g) all-purpose GF flour with the dry ingredients before adding the butter and reduce the butter to 4 tablespoons (56g). 150 grams of GF graham crackers happens to be the same as one 5.7oz box of Schär Honeygrahams. Pamela’s makes a good GF graham cracker as well (it won’t be the full box), and Kinnikinnick’s work but create a very crunchy crust. Bake for 8-10 minutes. The crust will firm up as it cools.