You can also divide the mixture between two smaller glass pie dishes for more browned edge pieces; just start checking for doneness about 5–10 minutes earlier. For make-ahead prep, mix the ingredients, press into the buttered glass dish, cover tightly, and refrigerate up to 8 hours before baking; add a few extra minutes to the bake time if it goes into the oven cold.
Food safety notes: always thaw frozen hash browns in the refrigerator or in the microwave, not on the counter, and be
