Ground Beef And Spinach Casserole

Name: Ground Beef And Spinach Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 6 servings
Ingredients: 1 lb ground beef; 2 cups fresh spinach, chopped; 1 onion, diced; 2 cloves garlic, minced; 2 cups marinara sauce; 2 cups ricotta cheese; 1 ½ cups mozzarella cheese, shredded; ½ cup grated Parmesan cheese; 1 tsp Italian seasoning; Salt and pepper to taste; 9 lasagna noodles

Highlighted under: Home Kitchen

I absolutely love making Ground Beef and Spinach Casserole for my family. It's one of those meals that always feels warm and comforting, perfect for a cozy evening together. I enjoy combining the rich flavors of ground beef with the vibrant spinach, and the layers of cheese on top make it extra special. Over the years, I’ve tried different variations, but this particular recipe strikes the perfect balance of flavors and heartiness. It’s become a staple in our household, and I can’t wait to share it with you!

Created by

Bethan Rowcroft

Last updated on 2026-02-23T18:48:48.637Z

When I first attempted this Ground Beef and Spinach Casserole, I wasn't sure how well the flavors would combine. Using fresh spinach instead of frozen made all the difference, adding a bright touch that was surprisingly refreshing. One of my favorite tips is to brown the beef well, as it enhances the overall taste of the casserole.

Cooking it in layers allows each component to meld perfectly together, infusing the dish with flavor. I topped it with a mix of cheeses, which creates a delightful crust that completes the casserole beautifully. This recipe has become a go-to weeknight dinner in our home!

Why You'll Love This Recipe
Hearty and satisfying, perfect for family dinners
Nutritious spinach adds a punch of flavor and color
Cheesy topping creates a crispy, golden crust

Perfecting the Layers

When assembling your casserole, make sure to overlap the lasagna noodles slightly to avoid gaps. This ensures that every bite has a balanced mix of all the layered ingredients. I find that a slight twist in the positioning of the noodles can also help them adhere better, leading to a more cohesive final dish.

Don’t be shy with the cheese! A generous layer of mozzarella puts a deliciously gooey finish on the casserole. As it bakes, the cheese melts beautifully and creates that coveted golden crust. Keep an eye on it during the last few minutes of baking, as removing the foil allows the cheese to brown, turning into a delightful, bubbly topping.

Ingredient Variations and Substitutions

If you're looking to switch things up, consider using ground turkey or chicken in place of beef for a lighter version. Both proteins work well with the spinach and marinara, although they may require a little less cooking time. Brown them thoroughly to ensure there's no pink remaining, especially with poultry.

For a dairy-free option, swap out the ricotta and mozzarella with cashew cheese or a vegan ricotta made from blended cashews or tofu. It’s essential to check labels for any hidden dairy ingredients. This substitution not only alters the flavor slightly but also offers a different texture that can be equally satisfying.

Ingredients

Gather these fresh ingredients before you start cooking:

Ingredients

1 lb ground beef
2 cups fresh spinach, chopped
1 onion, diced
2 cloves garlic, minced
2 cups marinara sauce
2 cups ricotta cheese
1 ½ cups mozzarella cheese, shredded
½ cup grated Parmesan cheese
1 tsp Italian seasoning
Salt and pepper to taste
9 lasagna noodles

Make sure to have everything measured out before you start to streamline the cooking process!

Instructions

Follow these steps to create your casserole:

Prepare the Beef

In a large skillet over medium heat, cook the ground beef with diced onion and minced garlic until the beef is browned. Drain excess fat if necessary.

Add Spinach and Sauce

Stir in the chopped spinach and marinara sauce. Cook for another 5 minutes or until the spinach has wilted. Season with Italian seasoning, salt, and pepper.

Assemble the Casserole

In a baking dish, layer 3 lasagna noodles, half of the ricotta cheese, half of the beef mixture, and a layer of mozzarella.

Repeat Layers

Repeat the layering process with the remaining ingredients, ending with mozzarella cheese and grated Parmesan on top.

Bake

Cover with foil and bake at 375°F (190°C) for 25 minutes. Remove foil and bake for an additional 10 minutes or until the cheese is bubbly and golden.

Let the casserole sit for 5 minutes before serving to allow it to set.

Pro Tips

For an added kick, consider incorporating crushed red pepper flakes into the beef mixture. You can also use ground turkey or chicken for a leaner option.

Make-Ahead Tips

This casserole is a fantastic make-ahead meal. Prepare it up to the baking stage, cover it tightly with foil, and refrigerate for up to 24 hours. When ready to cook, you can bake it straight from the fridge, adding an extra 10-15 minutes to the baking time to ensure it's heated through.

For longer storage, consider freezing the assembled, unbaked casserole. Wrap it well to protect it from freezer burn, and it can last for up to three months. When you're ready to enjoy it, thaw overnight in the fridge and bake as directed. This makes weeknight dinners a breeze!

Serving Suggestions

Pair your Ground Beef and Spinach Casserole with a fresh, crunchy salad to balance the richness of the dish. A classic Caesar or a light spinach salad with a zesty vinaigrette complements the flavors beautifully. I also love serving it with a side of garlic bread to soak up the delicious marinara sauce.

For a hearty twist, consider adding in some diced bell peppers or mushrooms to the beef mixture for added depth. Not only does this variation enhance the flavor profile, but it also adds nutrients, making the meal even more satisfying for your family.

Questions About Recipes

→ Can I use frozen spinach?

Yes, you can use frozen spinach. Just make sure to thaw and drain it well before adding it to the dish.

→ How can I store leftovers?

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven or microwave.

→ Can I prepare this casserole ahead of time?

Absolutely! You can assemble it the night before, cover it, and store it in the fridge. Bake it when you’re ready to serve.

→ What can I serve with this casserole?

It pairs well with a simple green salad or garlic bread for a complete meal.