Parmesan Meatloaf is a moist, savory meatloaf made with lean ground beef, finely chopped sautéed vegetables, quick oats and nutty Parmesan, finished with a tangy ketchup glaze. It is a lighter take on the classic that still tastes like Sunday dinner, and it makes great leftovers.
How to make Parmesan meatloaf: Sauté finely chopped vegetables, then mix them gently with lean beef, oats, egg whites, ketchup, Worcestershire, thyme, garlic and Parmesan. Shape the loaf, bake at 350°F for 30 minutes, glaze with ketchup and bake until it reaches 160°F.
Why You’ll Love It
- Moist but lean: sautéed vegetables and oats keep 93% lean beef juicy.
- Savory Parmesan flavor: the cheese seasons the whole loaf.
- Hidden vegetables: four finely chopped vegetables melt into the meat.
- Great leftovers: cold slices make excellent meatloaf sandwiches.
Ingredient Notes
Lean ground beef: One pound of 93% lean. Lean beef means less grease in the pan, and the vegetables and oats make up for the missing fat.
Quick oats: Half a cup works as the binder instead of breadcrumbs. They soak up juices and keep the loaf tender.
Vegetables: Onion, carrot, celery and mushrooms, chopped very finely and sautéed until their moisture cooks off. Raw vegetables would release water and make the loaf soggy.
Parmesan: A quarter cup, grated. It adds a salty, nutty depth. I grate it finely so it blends into the meat instead of sitting in pockets.
Egg whites: Two egg whites, or one whole egg, hold everything together.
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Ingredients
- 1 lb lean ground beef (93%)
- ½ cup quick oats
- 2 egg whites (or 1 whole egg)
- 3 tbsp ketchup, plus more for glaze
- 1 tbsp Worcestershire sauce
- 1 tsp dried thyme
- ½ tsp garlic powder (or 1 tsp fresh minced garlic)
- 1 tsp salt
- ¼ tsp black pepper
- ¼ cup grated Parmesan cheese
- 1 small onion, finely chopped
- 1 carrot, finely chopped
- 1 rib celery, finely chopped
- ½ cup mushrooms, finely chopped
- 1 tbsp olive oil
How to Make Parmesan Meatloaf
1. Heat the oven. Preheat the oven to 350°F. Grease a loaf pan, or line a baking sheet with parchment if you are shaping it free-form.
2. Sauté the vegetables. Heat the olive oil in a skillet over medium heat. Sauté the onion, carrot, celery and mushrooms for 5–6 minutes, until soft and their moisture has evaporated. Let them cool slightly.
3. Mix. In a large bowl, combine the beef, sautéed vegetables, oats, egg whites, ketchup, Worcestershire, thyme, garlic powder, salt, pepper and Parmesan. Mix gently with your hands until just combined.
4. Shape. Press the mixture into the loaf pan, or shape it into a 2-inch-high loaf on the sheet pan.
5. Bake and glaze. Bake for 30 minutes, then brush the top with extra ketchup. Return it to the oven for another 30–45 minutes, until the internal temperature reaches 160°F.
6. Rest. Let the meatloaf rest for 5–10 minutes before slicing.
How to Keep Lean Meatloaf Moist
Lean beef has little fat, so this recipe builds in moisture other ways. The sautéed vegetables carry flavor and moisture, and the oats soak up the juices instead of letting them run into the pan.
Mix gently and stop as soon as it comes together. Packing and overmixing make a dense, tough loaf. I use my hands and a light touch, just folding until no streaks of oats or cheese remain.
Take it out at 160°F. Lean meatloaf dries out quickly past that point, so start checking at the early end of the second bake, and let it rest before slicing so the juices settle.
Loaf Pan or Free-Form?
Both work, and they give slightly different results. A loaf pan holds the meatloaf’s shape and keeps it extra moist, since the juices stay around it; it is the easier choice if the mixture feels soft.
A free-form loaf on a parchment-lined sheet pan browns on all sides and gets more glazed, caramelized crust. Shape it about 2 inches high so it cooks evenly, and expect it to finish a little sooner than in a pan.
Tips for Success
Why is my meatloaf dry?
It baked past 160°F or was overmixed. Mix gently and use a thermometer to pull it right on time.
Why does it fall apart when I slice it?
It was cut too soon. Let it rest the full 5 to 10 minutes, and use a sharp knife.
Why is the bottom soggy?
The vegetables still held water. Sauté them until the pan looks dry before they go into the meat.
Variations
- Ground turkey: use it for an even lighter loaf; bake to 165°F.
- Parmesan crust: sprinkle extra Parmesan over the ketchup glaze for the last 10 minutes.
- Italian style: use marinara instead of ketchup for the glaze.
For a meatloaf with a Mexican twist, Mexican Meatloaf uses beef and chorizo and is served with chunky tomato salsa.
For a meatloaf seasoned a different way, try Stove Top Stuffing Meatloaf, made with dry stuffing mix and a tangy ketchup topping.
Storage & Reheating
USDA FSIS says to refrigerate leftovers within 2 hours in shallow, covered containers and use them within 3 to 4 days, or freeze them for 3 to 4 months. Reheat slices until they reach 165°F, or enjoy them cold in sandwiches with a smear of extra sauce.
What to Serve With It
Mashed potatoes and green beans are classic, or try garlic Parmesan mashed potato cups or cheesy mashed potato puffs. For more meatloaf, there is French onion meatloaf and old-fashioned Momma’s meatloaf. For other ground beef dinners, try Amish hamburger steak bake or hamburger steaks with onion mushroom gravy.
Frequently Asked Questions
Do people put Parmesan in meatloaf?
Yes. Parmesan is a popular addition because it seasons the meat, adds a savory, nutty flavor and helps bind the loaf a little as it melts.
What’s the secret to a great meatloaf?
A gentle hand and enough moisture. Mix just until combined, use a binder like oats or breadcrumbs with a liquid, and pull it from the oven at 160°F.
Can I use breadcrumbs instead of oats?
Yes. Use the same amount of breadcrumbs; the texture will be slightly finer.
Final Notes
Sauté the vegetables until dry and mix with a light hand. If you have a question or make it, tell me how it turned out in the comments.
Parmesan Meatloaf
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Ingredients
- 1 lb lean ground beef 93%
- ½ cup quick oats
- 2 egg whites or 1 whole egg
- 3 tbsp ketchup plus more for glaze
- 1 tbsp Worcestershire sauce
- 1 tsp dried thyme
- ½ tsp garlic powder or 1 tsp fresh minced garlic
- 1 tsp salt
- ¼ tsp black pepper
- ¼ cup grated Parmesan cheese
- 1 small onion finely chopped
- 1 carrot finely chopped
- 1 rib celery finely chopped
- ½ cup mushrooms finely chopped
- 1 tbsp olive oil for sautéing
Instructions
- Preheat oven to 350°F. Lightly grease a loaf pan or line a baking sheet with parchment if free-forming.
- Heat olive oil in a skillet over medium heat. Sauté onion, carrot, celery, and mushrooms for 5–6 minutes, until soft and moisture has evaporated. Let cool slightly.
- In a large bowl, combine beef, sautéed veggies, oats, egg whites, ketchup, Worcestershire sauce, thyme, garlic powder, salt, pepper, and Parmesan. Mix gently with hands until just combined.
- Press mixture evenly into the loaf pan or shape into a 2-inch-high loaf on the sheet pan.
- Bake for 30 minutes, then brush top with extra ketchup. Return to oven and bake another 30–45 minutes, until internal temp reaches 160°F.
- Let meatloaf rest for 5–10 minutes before slicing.
Notes
Nutrition
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Nutrition values are estimates based on the listed ingredients and serving count. Actual values vary with brands, cuts and portion sizes.
