How to Bake in a Deep 9.5 Inch Round Pie Plate

By Pyrex Home | Published: 2026-10-21

Category: How-to Guides

Learn the key steps for baking pies, quiches, and more in a deep 9.5 inch glass pie plate. Get even baking results and avoid common mistakes.

Quick answer

To bake successfully in a deep 9.5 inch round pie plate, adjust your recipe for the extra depth, preheat the glass dish, and use foil shields to prevent over-browning the crust.

Why depth changes your baking time

A deep 9.5 inch pie plate holds more filling than a standard shallow dish. That extra volume means the center takes longer to cook through, and the top may brown before the filling sets. If you use a recipe written for a standard pie plate, expect to add 10–15 minutes to the bake time and check doneness with a thermometer or visual cues.

Glass vs metal: heat behavior matters

Glass heats more slowly than metal but retains heat longer once hot. This can give you a more evenly baked crust and filling, but it also means the dish stays hot after you pull it from the oven. Always place a glass pie plate on a baking sheet to catch spills and make handling safer.

Steps for baking in a deep 9.5 inch pie plate

Prepare your recipe for the extra depth: If your recipe is for a standard 9-inch pie, increase the filling by about 25% to fill the deep dish. For a store-bought crust, check the package instructions—some deep-dish crusts require par-baking. Common mistake: using a standard recipe without adjusting filling volume, which leaves the crust too high or the filling too shallow.
Preheat the glass dish in the oven: Place the empty glass pie plate on the middle rack while the oven preheats. This helps the bottom crust start cooking immediately when you add the filling, reducing the risk of a soggy bottom. Checkpoint: remove the hot dish carefully using oven mitts—glass retains heat and can cause burns.
Use a foil shield to protect the crust edge: Cut a strip of aluminum foil about 3 inches wide and wrap it around the rim of the pie plate before baking. Remove the foil during the last 15 minutes to allow the edge to brown. Common mistake: leaving the foil on too long, which prevents the crust from crisping and browning evenly.
Bake low and slow for even cooking: Reduce the oven temperature by 25°F compared to a standard pie recipe, and extend the bake time by 10–15 minutes. Check for doneness by inserting a knife near the center—it should come out clean or with just a few moist crumbs. Checkpoint: if the top browns too fast, tent the whole dish loosely with foil until the last 10 minutes of baking.
Cool completely before slicing: Let the pie cool on a wire rack for at least 2 hours. Glass dishes hold heat longer than metal, so the filling continues to set as it cools. Slicing too early causes runny filling and a collapsed structure. Common mistake: rushing the cooling process, which leads to a messy slice and under-set filling.

Product used in this guide

Pyrex® Deep 9.5" Round Baking Dish - Pie Plate: This baking dish is 60% deeper than Pyrex Basic and Easy Grab pie dishes. The extra depth lets you layer more filling or make a taller pie, but you must adjust baking time and temperature to avoid a raw center.
Pyrex® Deep 9.5" Round Baking Dish - Pie Plate