Is your meatloaf tall and thick like a brick? Expect it to need an extra 10-15 minutes. Is it shallow and wide like a football? It’ll cook faster. The thicker the center, the longer the heat has to travel. That’s just physics, baby.
How Long to Cook Meatloaf in Oven: Perfect Timing Guide
Pro tip: Don’t squish it into a high dome. Shape it evenly. A flat-topped loaf is a reliable loaf. A dome-shaped loaf is a gamble. I don’t gamble with dinner.
The “Rest” Is Not Optional
Here’s where most people ruin it. You pull the meatloaf out at exactly 160°F and you think, “Great, slice it up!” Stop. Let it rest on the counter for 10 minutes. Just ten. Not twenty, not five—ten.
During that rest, the internal temperature will rise by about 5°F (carryover cooking) and the juices will reabsorb into the meat. If you slice immediately, you get a puddle of grease on the plate and a crumbly loaf. If you wait, you get a slice that holds together. You want that.