Meatloaf with deep onion flavor — French Onion Meatloaf, the version with melted Swiss, and Mini French Onion Meatloaf for a fast weeknight dinner.
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Rich, juicy, and packed with French onion flavor!
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Open in Pepper →Meatloaf is already a weeknight workhorse, but cooking the onions down first changes it completely. You get that sweet, jammy, slow-simmered flavor in something you can slice and put on plates with mashed potatoes.
Cooks on Pepper reach for this collection on nights when they want dinner to feel like Sunday but only have an hour, or when there's a pound of ground beef in the fridge and nothing planned.
Every recipe here is a version of the same good idea: the classic French Onion Meatloaf, one with melted Swiss cheese and a mix of beef and pork, another built on garlic and thinly sliced onions in olive oil, and Mini French Onion Meatloaf with breadcrumbs and Parmesan for smaller portions.
Cook the onions low
Give sliced onions 20 to 25 minutes in butter over medium-low heat until they're deep golden. Rushing them on high just browns the edges and leaves the flavor thin.
Cool onions before mixing
Let the cooked onions sit 10 minutes before stirring them into the meat, or the warmth starts cooking the beef and the loaf turns dense.
Add the cheese last
Lay Swiss slices on top during the final 10 minutes of baking so it melts and browns instead of sliding off.
Rest before slicing
Let the loaf sit 10 minutes out of the oven so the juices settle and the slices hold together instead of crumbling.