Onion soup mix meatloaf is the shortcut classic that turns two pounds of ground beef into a juicy, deeply savory dinner with almost no chopping. One envelope of soup mix replaces a whole shelf of seasonings, and a sweet ketchup glaze finishes the loaf with a sticky, caramelized top.
It takes about fifteen minutes to mix and shape, then the oven does the rest. The result slices cleanly, holds together well, and makes excellent sandwiches the next day. Here is exactly how to keep it moist and full of flavor.
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Why This Onion Soup Mix Meatloaf Recipe Works
The soup mix brings onion, savory broth flavor, and seasoning in one step, so the loaf tastes layered without extra work. Mixing the eggs, milk, and bread crumbs first creates a soft paste that holds moisture inside the meat as it bakes, which keeps every slice tender.
The two step ketchup glaze matters too. Ketchup inside the loaf adds moisture, while the brown sugar and ketchup topping goes on near the end so it turns glossy instead of burning.
Ingredients for Onion Soup Mix Meatloaf
- 2 lb ground beef (80/20 gives the best flavor)
- 2 large eggs
- 1/2 cup ketchup
- 2 tablespoons Worcestershire sauce
- 2 tablespoons yellow mustard
- 1 cup Italian seasoned bread crumbs
- 3/4 cup milk
- 1 teaspoon ground black pepper
- 1 packet (1 oz) onion soup mix
- 1/2 cup ketchup, for the topping
- 2 tablespoons packed brown sugar, for the topping
There is no added salt here, because the onion soup mix is already salty. Taste a cooked spoonful of the mixture if you want to check, and season the slices at the table if needed.
How to Make Onion Soup Mix Meatloaf
1. Prep the pan.
Heat the oven to 350 degrees F. Line a baking sheet with foil and spray it with nonstick cooking spray.
2. Make the bread crumb mixture.
In a large bowl, mix the eggs, milk, and bread crumbs until well combined and let them sit for a minute so the crumbs soak up the liquid.
3. Add the beef and seasonings.
Add the ground beef, 1/2 cup ketchup, Worcestershire sauce, mustard, pepper, and onion soup mix. Mix gently by hand until just combined, since overworking the meat makes the loaf dense.
4. Shape the loaf.
Form the mixture into a loaf on the prepared baking sheet, about 8 inches by 4 inches.
5. Bake.
Bake at 350 degrees F for 45 minutes.
6. Add the glaze.
Stir the remaining 1/2 cup ketchup with the brown sugar and spread it over the top. Return the loaf to the oven for another 10 to 15 minutes, until a thermometer in the center reads 160 degrees F.
7. Rest and slice.
Let the meatloaf rest for 10 minutes before slicing so it keeps its shape.
How to Serve Onion Soup Mix Meatloaf
Serve thick slices with mashed potatoes and green beans for a classic Sunday plate, and spoon any pan juices over the top. Leftover slices make great meatloaf sandwiches on toasted bread with a little extra ketchup.
If you want to try other versions, compare it with our ketchup glazed meatloaf, the old world style Amish meatloaf, a tangy Dijon glazed meatloaf, or a zesty ranch meatloaf.
How to Store and Reheat Onion Soup Mix Meatloaf
Refrigerate leftovers within two hours of cooking, in a covered container. They keep for 3 to 4 days. Sliced meatloaf also freezes well when wrapped tightly.
Reheat slices in the microwave or in a covered skillet until they are steaming hot throughout. The FDA recommends reheating leftovers and casseroles to 165 degrees F.
Tips and Variations for Onion Soup Mix Meatloaf
Use a food thermometer. The FDA safe food handling guide says color and texture are unreliable indicators and that ground meat should reach 160 degrees F.
Letting the loaf rest keeps it from crumbling when you slice it. For variations, try ground turkey or chicken, or mix in finely chopped vegetables for extra flavor. Poultry should reach 165 degrees F.
Frequently Asked Questions About Onion Soup Mix Meatloaf
Can I make onion soup mix meatloaf ahead of time?
Yes. Shape the loaf, cover it, and refrigerate it, then bake it when you are ready. Add the glaze near the end of baking as usual.
Do I need extra salt in onion soup mix meatloaf?
Usually not. The soup mix is already salty, so taste the finished slices before adding more.
What temperature is onion soup mix meatloaf done?
Bake it until the center reaches 160 degrees F on a food thermometer. A loaf made with ground turkey or chicken should reach 165 degrees F.
Why did my meatloaf fall apart?
Slicing it too soon is the usual cause. Let it rest for 10 minutes, and make sure the eggs and bread crumbs are mixed in well.
Can I use ground turkey instead of beef?
Yes. Ground turkey or chicken works, but it can be leaner, so avoid overbaking and check the temperature early.
Onion Soup Mix Meatloaf
Ingredients
Main Ingredients
- 2 lb ground beef 80/20 gives the best flavor
- 2 large eggs
- ½ cup ketchup
- 2 tbsp Worcestershire sauce
- 2 tbsp yellow mustard
- 1 cup Italian seasoned bread crumbs
- ¾ cup milk
- 1 tsp ground black pepper
- 1 packet (1 oz) onion soup mix
- ½ cup ketchup for the topping
- 2 tbsp packed brown sugar for the topping
Instructions
Cooking
- Heat the oven to 350 degrees F and line a baking sheet with foil sprayed with nonstick spray.
- Mix the eggs, milk, and bread crumbs in a large bowl and let them soak for a minute.
- Add the ground beef, 1/2 cup ketchup, Worcestershire sauce, mustard, pepper, and onion soup mix. Mix gently by hand until just combined.
- Shape the mixture into a loaf on the prepared baking sheet, about 8 inches by 4 inches.
- Bake at 350 degrees F for 45 minutes.
- Stir the remaining 1/2 cup ketchup with the brown sugar and spread it over the loaf. Bake 10 to 15 minutes more, until the center reaches 160 degrees F.
- Rest for 10 minutes before slicing.
