Ground Beef Casserole
This Ground Beef Casserole with cauliflower rice is a delightful dish that’s both easy to prepare and perfect for any gathering. Whether you’re hosting a family dinner or meal prepping for the week, this casserole stands out with its comforting flavors and wholesome ingredients. Its versatility makes it suitable for various occasions, ensuring everyone leaves the table satisfied.
Why You’ll Love This Recipe
- Quick and Easy: With minimal prep time, this casserole can be in the oven in just 15 minutes.
- Healthy Twist: Featuring cauliflower rice and spinach, this dish offers a nutritious alternative without sacrificing flavor.
- Crowd-Pleasing: It’s a hearty meal that serves four generously, making it ideal for families or small gatherings.
- One-Dish Wonder: Enjoy less cleanup with all components baked together in one dish.
- Customizable Ingredients: Switch up the veggies or cheese based on your preferences, making it versatile for any palate.

Tools and Preparation
To create this delicious Ground Beef Casserole, you’ll need some essential kitchen tools to make the process smooth and efficient.
Essential Tools and Equipment
- Large skillet
- 9×13-inch baking dish
- Wooden spoon
- Measuring cups and spoons
- Knife and cutting board
Importance of Each Tool
- Large skillet: Perfect for browning the beef evenly while providing ample space to stir in vegetables.
- 9×13-inch baking dish: Ideal size for mixing all ingredients together and allowing them to cook evenly.
- Wooden spoon: Great for breaking up the meat without scratching your cookware.
Ingredients
This ground beef casserole with cauliflower rice is easy to put together and perfect for feeding a crowd! It’s a comforting dish made with simple ingredients.
For the Meat Mixture
- 1 tablespoon olive oil
- 1 small yellow onion (diced)
- 3 cloves garlic (minced)
- 1 pound lean ground beef
- 1 teaspoon Italian Seasoning
- ½ teaspoon sweet paprika
- Salt and freshly ground black pepper (to taste)
- 6 ounces fresh baby spinach
For the Casserole Base
- 10 ounces frozen cauliflower rice (cooked according to the directions on the bag)
- 1 cup sour cream (or plain yogurt)
- 1 tablespoon butter (room temperature)
- ½ teaspoon dried basil
- 2 to 3 tablespoons milk (if needed)
For Topping
- 8 ounces shredded Italian blend cheese (or any other shredded cheese that you have/prefer)
How to Make Ground Beef Casserole
Step 1: Preheat the Oven
Preheat your oven to 375˚F. This ensures that your casserole will bake evenly.
Step 2: Cook the Aromatics
In a large skillet over medium-high heat:
1. Heat 1 tablespoon of olive oil.
2. Add diced onions; cook for about 2 minutes until translucent.
3. Stir in minced garlic; cook for an additional 20 seconds until fragrant.
Step 3: Brown the Ground Beef
Add 1 pound of lean ground beef into the skillet:
– Season with Italian seasoning, paprika, salt, and pepper.
– Cook while breaking up the meat until it is completely browned.
Step 4: Add Spinach
Once the beef is browned:
– Stir in fresh baby spinach, cooking until wilted. This may need to be done in batches if your skillet is small.
Step 5: Prepare Casserole Base
In a 9×13-inch baking dish:
– Combine cooked cauliflower rice, sour cream, room-temperature butter, and dried basil. Mix until creamy. If needed, add milk to help with melting.
Step 6: Combine All Ingredients
Add the prepared beef mixture into the baking dish:
– Stir until everything is well incorporated. Top with shredded cheese.
Step 7: Bake
Place the casserole in your preheated oven:
– Bake for about 22 to 25 minutes or until bubbly and cheese is melted.
Step 8: Serve
Remove from oven and let it stand for about 7 to 10 minutes before serving. Enjoy your delicious Ground Beef Casserole!
How to Serve Ground Beef Casserole
Serving ground beef casserole is as simple as it is satisfying. This dish is perfect for family dinners or gatherings, and there are various ways to enjoy it.
Classic Comfort
- Fresh Salad: A crisp garden salad complements the richness of the casserole. Toss mixed greens with your favorite dressing for a refreshing contrast.
- Garlic Bread: Serve slices of warm garlic bread on the side for a delightful crunch that pairs well with the creamy casserole.
Family Style
- Baked Potatoes: Offer baked potatoes topped with butter and chives. They make a filling addition to the meal that everyone can customize.
- Steamed Vegetables: Brightly colored steamed veggies add nutrition and color to your plate, balancing out the hearty casserole.
Creative Options
- Cabbage Rolls: For a fun twist, serve cabbage rolls stuffed with ground beef alongside your casserole for an extra meat boost.
- Stuffed Peppers: These can be made ahead and filled with rice and ground beef, echoing the flavors in your casserole.
How to Perfect Ground Beef Casserole
Perfecting your ground beef casserole elevates it from good to great. Here are some tips to enhance your cooking experience.
- Seasoning: Use fresh herbs like basil or oregano for a burst of flavor that enhances the dish significantly.
- Avoid Soggy Base: Make sure to drain excess liquid from the beef mixture before combining it with other ingredients to prevent a watery casserole.
- Experiment with Cheese: Try different types of cheese like mozzarella or cheddar for varied flavor profiles and textures.
- Don’t Skip The Resting Time: Allow the casserole to sit after baking. This helps it set and makes serving easier.
Best Side Dishes for Ground Beef Casserole
Pairing side dishes with ground beef casserole enhances your meal. Here are some delicious options.
- Roasted Broccoli: Toss broccoli florets in olive oil and roast until crispy. It adds a nutritious crunch.
- Caesar Salad: A classic Caesar salad brings creamy dressing and croutons, complementing the flavors of the casserole perfectly.
- Corn on the Cob: Sweet corn adds a touch of sweetness; grill or boil for easy prep.
- Coleslaw: The coolness of coleslaw contrasts nicely with the hot casserole, providing texture and flavor balance.
- Quinoa Pilaf: This protein-packed grain is nutty and filling, making it a healthy side option.
- Garlic Mashed Potatoes: Creamy mashed potatoes offer comfort alongside the hearty casserole, making it feel indulgent.
Common Mistakes to Avoid
To ensure your Ground Beef Casserole turns out perfectly, avoid these common mistakes.
- Skipping the Browning Step: Failing to brown the ground beef properly can lead to a bland flavor. Always cook until it’s fully browned for the best taste.
- Overcooking the Vegetables: Adding spinach too early may cause it to wilt excessively. Stir it in towards the end of cooking for better texture.
- Neglecting Seasoning: Under-seasoning can make your casserole taste flat. Don’t be afraid to add salt, pepper, and herbs generously.
- Using Cold Ingredients: Mixing cold sour cream or butter can result in clumps. Ensure all ingredients are at room temperature for a creamy blend.
- Not Letting It Rest: Cutting the casserole immediately after baking can lead to a soupy mess. Allow it to rest for several minutes before serving.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container.
- Consume within 3-4 days for optimal freshness.
Freezing Ground Beef Casserole
- Use a freezer-safe container or wrap tightly with plastic wrap and foil.
- Best if consumed within 2-3 months.
Reheating Ground Beef Casserole
- Oven: Preheat to 350°F and cover with foil. Heat for about 20-25 minutes until warmed through.
- Microwave: Place in a microwave-safe dish, cover, and heat in short bursts, stirring in between until hot.
- Stovetop: Reheat on medium-low heat in a skillet, stirring frequently until heated evenly.
Frequently Asked Questions
What is Ground Beef Casserole?
Ground Beef Casserole is a comforting dish made with ground beef and vegetables, often topped with cheese. It’s easy to prepare and perfect for family dinners.
Can I use different vegetables in my Ground Beef Casserole?
Absolutely! Feel free to customize your casserole by adding vegetables like bell peppers, zucchini, or mushrooms based on your preference.
How can I make my Ground Beef Casserole healthier?
You can substitute lean ground beef with turkey or use more vegetables like cauliflower rice instead of traditional grains for a healthier option.
Is Ground Beef Casserole suitable for meal prep?
Yes! This dish is excellent for meal prep as it stores well and can be easily reheated throughout the week.
Final Thoughts
This Ground Beef Casserole is not only delicious but also incredibly versatile. You can customize it with different vegetables or cheeses based on what you have on hand. Give this recipe a try for a comforting meal that everyone will love!
Ground Beef Casserole
Ground Beef Casserole is the ultimate comfort food that brings wholesome flavors to your family table. This easy-to-make dish combines lean ground beef, nutritious cauliflower rice, and fresh spinach, all baked together with a creamy cheese topping. Perfect for family dinners or meal prep, this casserole is not only hearty but also customizable to suit any palate. In just under an hour, you can serve a delicious one-dish meal that everyone will love.
- Prep Time: 15 minutes
- Cook Time: 25 minutes
- Total Time: 40 minutes
- Yield: Serves 4
- Category: Dinner
- Method: Baking
- Cuisine: American
Ingredients
- 1 tablespoon olive oil
- 1 small yellow onion (diced)
- 3 cloves garlic (minced)
- 1 pound lean ground beef
- 10 ounces frozen cauliflower rice (cooked)
- 1 cup sour cream
- 8 ounces shredded Italian blend cheese
- Fresh baby spinach
Instructions
- Preheat oven to 375°F.
- Heat olive oil in a large skillet over medium-high heat. Add onion and sauté until translucent, then add garlic.
- Brown the ground beef in the skillet, seasoning with Italian seasoning, paprika, salt, and pepper.
- Stir in fresh spinach and cook until wilted.
- In a baking dish, combine cooked cauliflower rice, sour cream, butter, and basil; mix until creamy.
- Combine beef mixture with the casserole base and top with shredded cheese.
- Bake for 22-25 minutes until bubbly.
Nutrition
- Serving Size: 1/4 of casserole (approx. 250g)
- Calories: 410
- Sugar: 3g
- Sodium: 550mg
- Fat: 24g
- Saturated Fat: 10g
- Unsaturated Fat: 12g
- Trans Fat: 0g
- Carbohydrates: 20g
- Fiber: 5g
- Protein: 30g
- Cholesterol: 80mg