A quintessential one-pan dish, it’s hard to beat the delicious comfort of a loaded lasagna browned to perfection. However, if not cooked properly, the layered noodle casserole runs the risk of coming out of the oven cold – and no one wants that. The key to ensuring your lasagna heats through is to cook it at the correct oven temperature, which is around 400 degrees Fahrenheit, according to married chefs Angie Rito and Scott Tacinelli, co-owners of critically acclaimed Italian-American restaurant Don Angie and co-authors of “Italian American: Red Sauce Classics and New Essentials: A Cookbook.”