Pyrex can be used safely inside an oven that is less than 450 degrees F. Pyrex is meant to be able to withstand higher temperatures. If the stress is too extreme, the bowl’s structure will fail, causing a spectacular shattering effect. When a Pyrex bowl is heated or cooled rapidly, different parts of the bowl expand or contract by different amounts, causing stress. Why did my Pyrex dish exploded in the oven? It’s important that you don’t overheat it in the oven or your ham could end up dry instead of juicy. Bake at 275˚F for approximately 15 minutes per pound, until heated through (see chart). You will need at least 1 cup of glaze for every 5 to 10 pounds of ham. If you glaze it sooner, the sugar in the glaze could cause it to burn. In most cases, you will want to glaze the ham during the last 15 to 20 minutes of baking. A depth of 3 to 4 inches will help avoid spilling or splashing of hot cooking juices. You’ll want a pan that’s large enough to fit the ham comfortably without touching the sides. Roasting pan: A 9x3x13-inch pan is a good size to look for. Don’t use glass cookware to reheat dry foods in the microwave. Ensure all cloths or oven mitts used to handle the pan are dry before using them. The plastic lids are designed for storage only and will melt if you put them in the oven.Ĭaption Options Don’t set a hot glass dish directly on the metal eyes of your stove. But, Pyrex plasticware, including the plastic lids that come with the glassware, are not oven-safe. The short answer is yes Pyrex glassware is completely safe to put in a preheated oven. Bake ham for 10 minutes per pound or until the internal temperature reaches 125☏. Remove ham from packaging and place in a roasting pan or glass baking pan, and cover completely with foil. Let ham stand at room temperature for 1 hour. Can I bake a ham in a glass dish?ĭo not overheat. Continue to bake for 15 to 30 minutes, until ham is browned and glazed. Place ham in 9-by-13 Pyrex baking dish with apple juice.