Can I make this ground beef casserole ahead of time?

Yes, you can fully assemble this casserole up to 24 hours in advance and refrigerate it unbaked, tightly covered with foil. When you are ready to cook, take it out of the fridge while the oven preheats and add 5 to 10 minutes to the bake time since it starts cold. This makes it one of the most practical recipes with ground beef for busy households.

What is the best ground beef to use for hamburger meat recipes like this?

Lean ground beef at an 85/15 or 90/10 lean-to-fat ratio works best for this casserole. It provides enough fat for flavor and proper browning without leaving excess grease pooling in the dish. Avoid extra-lean blends like 96/4, which can cook dry and give the beef a grainy texture after baking.

Can I substitute the pasta in this easy ground beef recipe?

Rigatoni, ziti, or medium shells are all reliable swaps for penne in this Ground Beef Casserole recipe. The key is choosing a short pasta shape with some texture or ridges so the meat sauce clings to each piece. Avoid thin pasta like spaghetti or angel hair, which will not hold the chunky beef mixture the way a tubular shape does.

How do I keep the casserole from drying out when I reheat it?

Cover the portion with foil before placing it in a 350°F oven and remove the foil only for the final 5 minutes. This traps steam inside and keeps the pasta from drying out. If the casserole looks tight before reheating, stir in a tablespoon or two of water or marinara sauce to restore moisture.

Can I add vegetables to this dinner with ground beef?

Absolutely. Diced bell pepper, fresh spinach, sliced mushrooms, or zucchini all integrate naturally into this casserole. Stir them into the skillet with the onion so they soften fully before you combine everything in the baking dish. Adding vegetables is also a straightforward way to boost the nutrition profile while keeping the dish just as satisfying. If you enjoy vegetable-forward one-dish meals, this chicken broccoli rice casserole follows a similar build-and-bake approach.

Is this recipe good for meal prep?

This casserole is one of the best easy ground beef recipes for meal prep because it holds its texture and flavor well for up to 4 days in the refrigerator. Portion it into individual airtight containers right after it cools and you have ready-made lunches or quick dinners for the whole week. It also freezes cleanly for up to two months, making it a reliable option for stocking the freezer with crowd-friendly meals. For more make-ahead dinner ideas, the crack chicken casserole is another freezer-friendly option worth keeping in your back pocket.

What can I serve alongside this ground beef casserole recipe to complete the meal?

A simple green salad, roasted broccoli, or crusty garlic bread are the most natural partners for this casserole. The dish is rich and filling on its own, so lighter sides that add freshness and crunch create the best balance on the plate. For bigger gatherings, a cold pasta salad served on the side gives guests something cool to contrast with the hot, cheesy casserole.

Ground Beef Casserole Recipe: Easy Cheesy Dinner (35 Min !)

Name: Ground Beef Casserole
Prep time: 10 min
Cook time: 25 min
Total time: 35 min
Yield: 6 servings
Cuisine: American
Ingredients: 1 pound uncooked penne; 1 tablespoon olive oil; 1 pound lean ground beef; 1/2 medium onion, chopped; 1 clove garlic, minced; 1.5 cups marinara sauce; Salt and pepper to taste; 1.5 cups shredded cheddar cheese

Description

This ground beef casserole is a hearty, cheesy one-dish dinner that combines tender penne pasta, seasoned lean ground beef, and rich marinara sauce under a golden cheddar crust, all ready in just 35 minutes. It feeds a crowd effortlessly and is one of the most reliable easy ground beef recipes you will ever make.

Ingredients

1 pound uncooked penne
1 tablespoon olive oil
1 pound lean ground beef
1/2 medium onion, chopped
1 clove garlic, minced
1.5 cups marinara sauce
Salt and pepper to taste
1.5 cups shredded cheddar cheese (plus optional extra 0.5 cup stirred in)

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Instructions

Preheat the Oven: Set your oven to 400°F and position the rack in the middle. Grease a 9×13 baking dish with cooking spray.
Boil the Penne: Bring a large, salted pot of water to a boil and cook the penne for 10 minutes until slightly underdone.
Brown the Beef: Add olive oil, ground beef, and onion to a skillet over medium-high heat. Sauté for 10 minutes, breaking up the meat, then stir in minced garlic. Drain excess fat if needed.
Add the Sauce: Stir in marinara sauce and warm through. Season with salt and pepper to taste.
Assemble the Casserole: Drain pasta and pour into the baking dish. Add the beef mixture and toss to combine. For extra cheesiness, stir in an additional half cup of cheddar, then top with an even layer of the remaining cheese.
Bake and Broil: Bake uncovered for 10 minutes until the cheese is melted. Broil for 2-3 minutes to brown the cheese. Serve immediately.

Notes

Cook the penne slightly underdone so it doesn’t turn mushy in the oven. Drain any excess fat from the beef before adding the marinara to keep the casserole from becoming greasy. For extra depth, stir a half cup of cheese directly into the pasta mixture before adding the top layer. Leftovers keep well in the refrigerator for up to 4 days.

Prep Time: 10 minutes
Cook Time: 25 minutes
Category: Main Dish
Method: Baked
Cuisine: American