How To Cook Frozen Precooked Meatloaf. Yes, you can cook a meatloaf from frozen. Frozen meatloaf needs to be cooked for 1.5 to 2 times longer than a thawed meatloaf or until the internal temperature reaches at least 155 fahrenheit.
Return the meatloaf to the oven and bake, uncovered, for an additional 30 to 40 minutes, or until it has reached the right temperature. Return the meatloaf to the oven and bake, uncovered, for an additional 30 to 40 minutes, or until it has reached the right temperature. How do you cook a precooked frozen meatloaf?
