Easy Ground Beef Casserole Recipe

Name: Easy Ground Beef Casserole Recipe
Prep time: 15 min
Cook time: 45 min
Total time: 60 min
Yield: 6
Cuisine: American
Ingredients: 1 tablespoon olive oil; 1 medium yellow onion, chopped; 2 cloves garlic, minced; 1 pound lean ground beef (85/15); 1 (24 oz) jar pasta sauce; 1 teaspoon dried oregano; 1/2 teaspoon salt; 1/4 teaspoon black pepper; 12 oz uncooked rotini or penne pasta; 1 cup shredded mozzarella cheese; 1/2 cup grated Parmesan cheese; 1 cup whole milk ricotta cheese

The first time I ever made this Easy Ground Beef Casserole Recipe, I was trying to impress my now-husband’s family. I was so nervous I completely forgot to drain the grease from the beef. The whole thing was a floating, oily mess that we still laugh about. But you know what? They ate it anyway and asked for seconds. That’s the magic of this dish. It’s forgiving. It’s become our go-to comfort food for busy weeks and lazy Sundays. It’s the recipe I text to friends when they need a no-fuss dinner that actually feels like a hug.

Recipe Card

Recipe Title	Easy Ground Beef Casserole Recipe
Servings	6
Prep Time	15 minutes
Cooking Time	45 minutes
Calories	approx. 480 per serving

Ingredients

1 tablespoon olive oil
1 medium yellow onion, chopped
2 cloves garlic, minced
1 pound lean ground beef
1 (24 oz) jar of your favorite pasta sauce
1 teaspoon dried oregano
1/2 teaspoon salt
1/4 teaspoon black pepper
12 oz uncooked rotini or penne pasta
1 cup shredded mozzarella cheese
1/2 cup grated Parmesan cheese
1 cup whole milk ricotta cheese

Okay, let’s talk ingredients. The olive oil is just to get things started, but I’ve used vegetable oil in a pinch and it’s fine. The onion and garlic are non-negotiable for me, but my sister-in-law swears you can use a tablespoon of onion powder if you’re really in a rush. The ground beef is key – I use 85/15 lean. My big mistake once was using a super fatty beef and not draining it well enough. The casserole was so greasy, it was basically a soup. Learn from me! The pasta sauce is where you can make it your own. I use a basic marinara, but a mushroom or garlic herb one works great too.

Directions

Preheat your oven to 375°F (190°C). Grease a 9×13 inch baking dish.
Heat the olive oil in a large skillet over medium heat. Add the onion and cook until soft, about 5 minutes. Add the garlic and cook for one more minute until fragrant.
Add the ground beef to the skillet, breaking it up with a spoon. Cook until it’s no longer pink. This is the crucial part – drain off any excess fat.
Stir in the pasta sauce, oregano, salt, and pepper. Let it simmer for about 5 minutes.
While the meat sauce simmers, cook the pasta according to the package directions, but only for about 2/3 of the recommended time. You want it very al dente because it will keep cooking in the oven.
Drain the pasta and add it directly to the skillet with the meat sauce. Stir everything together until the pasta is well coated.
Transfer half of the pasta mixture into the prepared baking dish. Dollop the ricotta cheese evenly over the top. Sprinkle with half of the mozzarella and Parmesan cheeses.
Add the remaining pasta mixture on top, then finish with the rest of the mozzarella and Parmesan.
Cover the dish with foil and bake for 20 minutes. Then, remove the foil and bake for another 10-15 minutes, or until the cheese is bubbly and starting to brown a little.
Let it sit for about 5-10 minutes before serving. It will be molten lava hot!

The step I mess up the most is cooking the pasta. The first few times, I’d cook it all the way through on the stove. Then by the time it came out of the oven, it was total mush. There’s nothing sadder than a mushy casserole. Under-cooking it is the secret. And the letting it sit part? I never used to do that. I’d be too impatient and serve it immediately, and it would just slide off the spoon. Waiting those five minutes lets it set up perfectly.

I love this recipe because it’s a true one-pot wonder, well, one skillet and one baking dish. It’s the definition of an easy dinner that doesn’t taste like you cut corners. The leftovers are maybe even better the next day, once all the flavors have really gotten to know each other in the fridge. It’s a total family favorite at my house, and I’ve made it for everything from potlucks to nights when I just can’t even think about what to cook.

If I were to change one thing next time, I might try sneaking in some finely chopped spinach or mushrooms into the meat sauce for a little extra veggie power. I’ve done it before and you can barely tell, especially if you have picky eaters. It’s a great base recipe for healthy swaps if you’re feeling adventurous.

Nutrition Info (per serving)

Calories	Carbs	Fat	Protein
480	45g	18g	35g

Honestly, the nutrition info surprised me a bit when I first calculated it. It feels so indulgent, but it’s actually pretty balanced. To make it lighter, I’ve used ground turkey instead of beef and low-fat cheeses. It works, but it’s definitely not the same rich comfort food. For my gluten-free friends, just use your favorite GF pasta and you’re good to go. It’s a very adaptable recipe.

Ingredient Swaps

Ingredient	Substitution
Ground Beef	Ground Turkey, Ground Chicken, or Lentils
Mozzarella	Provolone, Italian Blend, or Cheddar
Ricotta	Cottage Cheese (blended smooth) or Cream Cheese
Rotini Pasta	Penne, Ziti, or Shells

I’ve tried almost all of these swaps. The ground turkey is great for a lighter version, but you gotta add a little extra seasoning. The big fail was when I tried using feta cheese instead of mozzarella because it’s what I had. It was way too salty and just… weird. Stick to melty cheeses. Blended cottage cheese instead of ricotta is a fantastic trick my grandma taught me, and it makes the texture even creamier.

Tips

Don’t skip draining the beef fat. Seriously, it makes a huge difference in the final texture.
Undercook your pasta! It should have a definite bite to it before it goes in the oven.
Let the casserole rest for at least 5 minutes after baking. It needs time to set up so it doesn’t end up a soupy mess on the plate.
If the top isn’t browning to your liking after removing the foil, switch the oven to broil for the last minute or two. But watch it like a hawk!

I learned the broiling tip the hard way. I got a phone call, got distracted, and came back to a casserole with a black, crispy top. We had to scrape it off. It was a tragedy. Now I set a timer for everything and never walk away during the broiling phase. It’s a lesson in patience I’m still learning.

FAQ

Can I make this ahead of time?
Absolutely! I do this all the time for meal prep. Assemble the whole casserole, cover it tightly, and stick it in the fridge for up to a day. When you’re ready, just pop it in the oven. You might need to add 5-10 minutes to the baking time since it’s going in cold.

Can I freeze it?
Yep, it freezes surprisingly well. Bake it completely, let it cool entirely, then wrap it up tight in freezer-safe wrap. It’ll keep for about 3 months. To reheat, thaw it in the fridge overnight and then bake at 350°F until heated through. The pasta might be a little softer, but it’s still delicious.

My casserole came out dry. What happened?
Oh, I’ve done this! Usually, it means the pasta was a bit too dry going in, or it baked for a tad too long. Next time, try adding an extra 1/4 cup of pasta sauce to the mix, or don’t fully drain your pasta—let a little of the starchy water hang out. It adds moisture.

That’s everything I know about making this Easy Ground Beef Casserole Recipe! Hope you give it a try. And if you mess it up, you’re in good company—I’ve made every mistake in the book and it still usually turns out okay. Let me know how it goes!