how long to bake a frozen casserole
When baking frozen casseroles, the best way to ensure it is evenly cooked is with an instant-read thermometer. Add 30 minutes to the total cooking time for still-frozen casseroles, then check the temperature every 15 minutes until it reaches 160 degrees Fahrenheit.For thawed casseroles, add 10 minutes to the total cooking time and check the temperature every 10 minutes until it reaches 160 degrees Fahrenheit.hen baking frozen casseroles, the best way to ensure it is evenly cooked is with an instant-read thermometer. Add 30 minutes to the total cooking time for still-frozen casseroles, then check the temperature every 15 minutes until it reaches 160 degrees Fahrenheit.