Ground Beef Casserole
This Ground Beef Casserole with cauliflower rice is a fantastic dish that brings comfort and satisfaction to any occasion. It combines nutritious ingredients with rich flavors, making it perfect for family dinners or gatherings. Plus, it’s easy to prepare and sure to please even the pickiest eaters!
Why You’ll Love This Recipe
- Quick to Prepare: This casserole can be thrown together in under 45 minutes, making it ideal for busy weeknights.
- Nutritious Ingredients: With cauliflower rice and fresh spinach, this recipe adds a healthy twist to traditional casseroles.
- Crowd-Pleaser: The combination of ground beef and melted cheese creates a mouthwatering dish that everyone will enjoy.
- Versatile: Feel free to customize the veggies or cheese based on your preferences; this casserole adapts well to various tastes.
- One-Dish Wonder: Everything cooks in one baking dish, making cleanup a breeze!
Tools and Preparation
To create this delicious Ground Beef Casserole, you’ll need a few essential tools that will make the cooking process seamless.
Essential Tools and Equipment
- Large 12-inch skillet
- 9×13-inch baking dish
- Wooden spoon
- Measuring cups and spoons
Importance of Each Tool
- Large 12-inch skillet: Ideal for browning ground beef evenly and sautéing vegetables without overcrowding.
- 9×13-inch baking dish: Perfect size for casseroles, ensuring even cooking while holding all the ingredients comfortably.
- Wooden spoon: Great for breaking up meat and stirring ingredients without scratching your cookware.

Ingredients
To make this delicious Ground Beef Casserole, gather the following ingredients:
For the Base
- 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 Mixture
- 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 cooks evenly.
Step 2: Sauté Onions and Garlic
In a large skillet, heat the olive oil over medium-high heat.
1. Add diced onions and cook for about 2 minutes until softened.
2. Stir in minced garlic and cook for an additional 20 seconds until fragrant.
Step 3: Brown the Ground Beef
Add the lean ground beef into the skillet.
1. Season it with Italian seasoning, sweet paprika, salt, and pepper.
2. Cook while breaking up the meat with a wooden spoon until fully browned.
Step 4: Add Spinach
Stir in fresh baby spinach.
1. If necessary, add it in batches depending on your skillet’s size.
2. Cook for about 1 minute or until wilted.
Step 5: Prepare Cauliflower Rice Mixture
Remove from heat and drain any excess liquid from the skillet. In a separate baking dish:
1. Combine cooked cauliflower rice, sour cream, room temperature butter, and dried basil.
2. Mix until creamy; stir in milk if needed to help achieve a smooth consistency.
Step 6: Combine Ingredients
Add the prepared beef mixture into your baking dish with cauliflower rice.
1. Stir everything together until well combined.
2. Top with shredded cheese evenly over the mixture.
Step 7: Bake Your Casserole
Place your baking dish in the preheated oven:
1. Bake for about 22-25 minutes or until bubbly and cheese has melted.
Step 8: Cool Before Serving
Once baked, remove from oven and let it stand for about 7-10 minutes before cutting into portions and serving. Enjoy your comforting Ground Beef Casserole!
How to Serve Ground Beef Casserole
Ground beef casserole is a hearty dish that can be enjoyed in various ways. Whether you’re hosting a family dinner or serving friends, these serving suggestions will enhance your dining experience.
Family-Style Serving
- Serve the casserole directly from the baking dish for a casual gathering. This allows everyone to help themselves and encourages a cozy atmosphere.
Individual Portions
- For a more elegant presentation, spoon the casserole into individual ramekins before baking. This makes for a delightful serving option that also looks appealing.
Pair with Fresh Salad
- A crisp green salad is an excellent complement to the rich flavors of ground beef casserole. Consider using mixed greens topped with a light vinaigrette.
Topped with Fresh Herbs
- Garnish each serving with fresh herbs like parsley or basil to add color and enhance flavor. This small touch elevates the dish’s visual appeal.
Accompanied by Bread
- Serve slices of crusty bread or garlic bread on the side. This allows guests to scoop up every delicious bite of casserole.
How to Perfect Ground Beef Casserole
To elevate your ground beef casserole, consider these simple yet effective tips for achieving the best results.
- Use Lean Ground Beef: Opt for lean ground beef to reduce excess fat while maintaining flavor.
- Season Generously: Don’t shy away from seasoning your meat and vegetables well; it enhances the overall taste.
- Mix Ingredients Thoroughly: Ensure all ingredients are well-combined for uniform flavor throughout the casserole.
- Adjust Cheese Variety: Experiment with different cheeses like cheddar or mozzarella for varied taste and texture.
- Let It Rest: Allow the casserole to sit after baking; this helps it set and makes serving easier.
- Store Leftovers Properly: Keep any leftovers in an airtight container in the fridge to maintain freshness.
Best Side Dishes for Ground Beef Casserole
Pairing your ground beef casserole with the right side dishes can make your meal even more satisfying. Here are some great options to consider:
- Garlic Bread: Warm, buttery garlic bread is perfect for soaking up sauce and adds a delightful crunch.
- Caesar Salad: A classic Caesar salad brings crisp romaine, creamy dressing, and crunchy croutons, balancing out the richness of the casserole.
- Roasted Vegetables: Seasonal roasted vegetables like carrots and broccoli provide color and nutrients, making your meal well-rounded.
- Coleslaw: A tangy coleslaw offers a refreshing contrast to the warm casserole, adding crunch and brightness.
- Steamed Green Beans: Lightly steamed green beans are simple yet complement the flavors of ground beef beautifully.
- Baked Potatoes: Fluffy baked potatoes can be topped with sour cream or chives, providing hearty satisfaction alongside your casserole.
- Quinoa Salad: A light quinoa salad packed with vegetables adds texture and is a nutritious choice next to your main dish.
- Corn on the Cob: Sweet corn on the cob provides a fun, interactive element that pairs nicely with comfort food like casseroles.
Common Mistakes to Avoid
When making Ground Beef Casserole, it’s easy to overlook crucial steps. Here are some common mistakes to avoid for the best results.
- Not browning the beef properly – Ensure you cook the ground beef until it is fully browned. This enhances flavor and prevents a greasy casserole.
- Skipping the seasoning – Don’t forget to season each layer of your casserole. Proper seasoning at every stage builds depth of flavor.
- Using cold ingredients – Always use room temperature or warm ingredients, especially dairy like sour cream. This helps in creating a creamy texture.
- Underestimating cooking time – Keep an eye on your casserole as it bakes. If it’s not bubbly and cheese isn’t melted in 25 minutes, give it a bit more time.
- Ignoring leftovers – Don’t let leftover casserole go to waste! Store it properly for future meals to enjoy its great taste again.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container for up to 3-4 days.
- Allow the casserole to cool completely before sealing it.
Freezing Ground Beef Casserole
- Freeze for up to 2-3 months in a freezer-safe container.
- Consider portioning out servings for easy reheating later.
Reheating Ground Beef Casserole
- Oven – Preheat to 350°F and cover with foil; heat for about 20-25 minutes until warmed through.
- Microwave – Heat individual portions on high for about 1-2 minutes or until hot, stirring halfway through.
- Stovetop – Use a skillet over medium heat, adding a splash of milk if needed, and stir until heated evenly.
Frequently Asked Questions
Here are answers to some common questions about Ground Beef Casserole.
How can I customize my Ground Beef Casserole?
You can easily add vegetables like bell peppers or mushrooms. Swap ground beef for turkey or chicken for a lighter version.
Can I make this recipe ahead of time?
Yes! Prepare the casserole, cover it tightly, and store it in the refrigerator overnight before baking.
What can I serve with Ground Beef Casserole?
This dish pairs well with a simple green salad or steamed vegetables for a complete meal.
Is Ground Beef Casserole suitable for meal prep?
Absolutely! Its hearty nature makes it perfect for meal prep. Just divide into portions after cooking and refrigerate or freeze.
Can I use fresh cauliflower instead of frozen?
Yes, but you will need to rice the cauliflower yourself and steam it prior to mixing into the casserole.
Final Thoughts
This Ground Beef Casserole is not only easy to make but also incredibly satisfying. Its comforting flavors and creamy texture make it perfect for family gatherings or weeknight dinners. Feel free to customize by adding your favorite vegetables or trying different cheeses. Enjoy this versatile dish!
Ground Beef Casserole
Ground Beef Casserole with cauliflower rice is the ultimate comfort food that combines savory flavors and wholesome ingredients in one delicious dish. This easy-to-make casserole features tender ground beef, vibrant spinach, and creamy cheese, all baked to perfection. Ideal for family dinners or casual gatherings, this recipe can be customized to suit your taste, making it a versatile choice for any occasion. Plus, it’s ready in under 45 minutes, so you can enjoy a hearty meal without spending hours in the kitchen.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: Serves 6
- Category: Main
- Method: Baking
- Cuisine: American
Ingredients
- 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
- 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)
- 8 ounces shredded Italian blend cheese (or any other shredded cheese that you have/prefer)
Instructions
- Preheat your oven to 375°F.
- In a large skillet, heat olive oil over medium-high heat. Sauté diced onions for 2 minutes; add minced garlic and cook for another 20 seconds.
- Add ground beef to the skillet, seasoning with Italian seasoning, sweet paprika, salt, and pepper. Cook until browned.
- Stir in fresh spinach until wilted.
- In a separate bowl, combine cooked cauliflower rice, sour cream, room temperature butter, and dried basil until creamy.
- Mix the beef mixture with the cauliflower rice mixture in a baking dish and top with shredded cheese.
- Bake for 22-25 minutes or until bubbly and golden.
Nutrition
- Serving Size: 1 cup (245g)
- Calories: 350
- Sugar: 3g
- Sodium: 540mg
- Fat: 20g
- Saturated Fat: 9g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 18g
- Fiber: 4g
- Protein: 25g
- Cholesterol: 75mg