This Chili Mac Casserole is the perfect comfort food for any family gathering or busy weeknight. Packed with hearty beef, cheesy goodness, and pasta, it’s a dish that pleases both kids and adults alike. Not only is it filling, but it’s also simple to prepare. Whether you’re hosting a casual dinner or need a cozy meal after a long day, this casserole will surely become a favorite.

Jump to:
- Why You’ll Love This Recipe
- Tools and Preparation
- Essential Tools and Equipment
- Importance of Each Tool
- Ingredients
- For the Meat Mixture
- For the Casserole Base
- For Topping
- How to Make Chili Mac Casserole
- Step 1: Cook the Pasta
- Step 2: Brown the Beef and Onions
- Step 3: Combine Ingredients
- Step 4: Mix with Pasta
- Step 5: Layer in Baking Dish
- Step 6: Bake
- How to Serve Chili Mac Casserole
- With Fresh Toppings
- Accompanied by Salad
- As Leftovers
- How to Perfect Chili Mac Casserole
- Best Side Dishes for Chili Mac Casserole
- Common Mistakes to Avoid
- Storage & Reheating Instructions
- Refrigerator Storage
- Freezing Chili Mac Casserole
- Reheating Chili Mac Casserole
- Frequently Asked Questions
- Can I make Chili Mac Casserole ahead of time?
- What can I substitute for ground beef in Chili Mac Casserole?
- How do I spice up my Chili Mac Casserole?
- Is Chili Mac Casserole suitable for meal prep?
- Can I add vegetables to my Chili Mac Casserole?
- Final Thoughts
- 📖 Recipe Card
Why You’ll Love This Recipe
- Easy to Prepare: With just a few steps, you can create a delicious meal that doesn’t require hours in the kitchen.
- Flavorful and Satisfying: The combination of taco seasoning, beef, and cheese creates a rich flavor that everyone will enjoy.
- Perfect for Leftovers: This casserole keeps well in the fridge, making it great for lunch the next day or reheating as an easy dinner option.
Tools and Preparation
To make this chili mac casserole seamlessly, having the right tools on hand can make all the difference. Here’s what you’ll need.
Essential Tools and Equipment
- Large Skillet
- Pot for Boiling Pasta
- 13×9 Baking Dish
- Mixing Spoon
Importance of Each Tool
- Large Skillet: Perfect for browning beef and sautéing onions while providing enough space to mix all ingredients easily.
- Pot for Boiling Pasta: Ensures even cooking of the macaroni, which is key for achieving the right texture in your casserole.
Ingredients
This chili mac casserole is loaded with beef, pasta and cheese for an easy family dinner that’s filling too!
For the Meat Mixture
- 1 lb Ground Beef
- 1 medium Onion (diced)
- 14.5 oz. Diced Tomatoes (canned, undrained)
- 1/2 cup Water
- 2 Tbsp. Taco Seasoning (or one packet)
For the Casserole Base
- 16 oz Elbow Macaroni
For Topping
- 2 cups Cheddar Cheese (shredded, divided)
How to Make Chili Mac Casserole
Step 1: Cook the Pasta
Bring a pot of water to a boil and cook pasta according to package directions until al dente.
Step 2: Brown the Beef and Onions
In a large skillet, cook ground beef and diced onion over medium heat until the beef is no longer pink. Drain any excess fat.
Step 3: Combine Ingredients
Return the skillet to heat. Add diced tomatoes, water, and taco seasoning. Stir everything to combine well and let it simmer for about 5 minutes.
Step 4: Mix with Pasta
Add the meat mixture into the cooked pasta. Stir well to ensure every piece of macaroni is coated with that delicious chili flavor.
Step 5: Layer in Baking Dish
Spread half of the combined mixture in a 13×9 pan. Sprinkle one cup of shredded cheese over this layer before adding the remaining meat mixture on top.
Step 6: Bake
Cover your dish with foil and place it into an oven preheated to 350°F (175°C). Bake for 30 minutes. Afterward, remove the foil and sprinkle with the remaining cup of cheese. Return it to bake uncovered for another 10 minutes until bubbly and golden brown.
Now you have a delightful Chili Mac Casserole ready to serve! Enjoy this hearty meal with your family or friends any night of the week!
How to Serve Chili Mac Casserole
Chili Mac Casserole is a versatile dish that can be enjoyed in various ways. Whether you’re serving it for a cozy weeknight dinner or a gathering with friends, here are some great serving suggestions.
With Fresh Toppings
- Sour Cream – A dollop of sour cream adds a creamy texture and balances the spices.
- Chopped Green Onions – Sprinkle some fresh green onions on top for a burst of flavor and color.
- Fresh Cilantro – Adding cilantro gives an aromatic freshness that complements the dish nicely.
Accompanied by Salad
- Garden Salad – A light garden salad with vinaigrette can help cut through the richness of the casserole.
- Caesar Salad – The crisp romaine and tangy dressing make for a perfect pairing with this comforting meal.
As Leftovers
- Reheated in the Oven – For best results, reheat leftovers in the oven to retain the cheese’s melty goodness.
- In Wraps – Use leftover chili mac as a filling for wraps or burritos for a fun twist.

How to Perfect Chili Mac Casserole
To achieve the best Chili Mac Casserole, consider these helpful tips.
- Use Quality Beef – Select lean ground beef to reduce excess fat while maintaining flavor.
- Cook Pasta Al Dente – Slightly undercooking the pasta ensures it doesn’t become mushy during baking.
- Experiment with Cheese – Mixing different types of cheese like Monterey Jack or Pepper Jack can add depth to your casserole.
- Add Vegetables – Incorporate bell peppers or corn for extra nutrition and flavor.
- Season Well – Adjust taco seasoning according to your taste; don’t hesitate to add extra spices if desired.
Best Side Dishes for Chili Mac Casserole
Pairing side dishes with your Chili Mac Casserole can enhance your meal experience. Here are some excellent options:
- Garlic Bread – Perfect for scooping up any leftovers; its buttery flavor complements the casserole well.
- Steamed Broccoli – A simple side that adds color and nutrients without overpowering the main dish.
- Corn on the Cob – This sweet side balances out the savory flavors of the chili mac beautifully.
- Coleslaw – The crunchiness and tanginess of coleslaw provide a nice contrast to the rich casserole.
- Baked Beans – Their sweetness pairs wonderfully with the spiciness of the chili mac, creating a hearty meal.
- Fruit Salad – A refreshing fruit salad offers a light finish after indulging in this cheesy comfort food.
Common Mistakes to Avoid
Cooking can be tricky, especially when making a hearty dish like chili mac casserole. Here are some common mistakes to watch out for.
- Overcooking the Pasta: If you cook the pasta too long, it can become mushy in the casserole. Be sure to follow package instructions and cook it al dente.
- Not Draining the Fat: Leaving excess fat in the skillet can make your casserole greasy. Always drain the beef after cooking for a cleaner taste.
- Skipping Seasoning: This dish needs flavor! Make sure to use enough taco seasoning and taste as you go to avoid blandness.
- Using Low-Quality Cheese: Cheap cheese may not melt well and can affect texture. Opt for a good quality shredded cheddar for the best results.
- Not Covering While Baking: If you bake uncovered from the start, your casserole may dry out. Cover with foil initially to keep moisture in.
Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container.
- Chili mac casserole will last up to 3–4 days in the refrigerator.
Freezing Chili Mac Casserole
- Freeze in a freezer-safe container to prevent freezer burn.
- It can be stored for up to 2–3 months for best quality.
Reheating Chili Mac Casserole
- Oven: Preheat oven to 350°F (175°C) and cover with foil while reheating for about 20 minutes.
- Microwave: Place a serving in a microwave-safe dish and heat on high for 2–3 minutes, stirring halfway through.
- Stovetop: Heat in a skillet over medium heat, stirring occasionally until warmed through.
Frequently Asked Questions
Here are some frequently asked questions about chili mac casserole to help you get the most out of this delicious meal.
Can I make Chili Mac Casserole ahead of time?
Yes! You can prepare it up to the baking step and store it in the fridge overnight. Just pop it in the oven when you’re ready!
What can I substitute for ground beef in Chili Mac Casserole?
You can use ground turkey, chicken, or even a plant-based meat alternative for a lighter or vegetarian option.
How do I spice up my Chili Mac Casserole?
Add jalapeños, diced bell peppers, or extra taco seasoning for more heat and flavor!
Is Chili Mac Casserole suitable for meal prep?
Absolutely! This dish stores well and is perfect for quick meals during busy weeks.
Can I add vegetables to my Chili Mac Casserole?
Yes! Feel free to mix in corn, black beans, or spinach for added nutrition and flavor.
Final Thoughts
Chili mac casserole is not only delicious but also incredibly versatile. Families love its cheesy goodness, while cooks appreciate its simplicity. Don’t hesitate to customize it with your favorite ingredients or spices. Give this recipe a try; it’s comfort food at its finest!
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Chili Mac Casserole
- Total Time: 55 minutes
- Yield: Serves 8
Description
Chili Mac Casserole is the ultimate comfort food that combines the heartiness of beef with the cheesy goodness of pasta in one delicious dish. Perfect for family gatherings or busy weeknights, this casserole is not only easy to prepare but also satisfying for both kids and adults. With its rich flavors derived from taco seasoning and tender macaroni, it promises to be a hit at your dinner table. Plus, it’s great for leftovers, making it an excellent choice for meal prep. Whether you’re serving it fresh out of the oven or reheating it for a quick meal later, this Chili Mac Casserole will quickly become a favorite in your home.
Ingredients
- 1 lb ground beef
- 1 medium onion, diced
- 14.5 oz canned diced tomatoes (undrained)
- 16 oz elbow macaroni
- 2 cups shredded cheddar cheese
- 2 tbsp taco seasoning
Instructions
- Cook elbow macaroni in boiling water according to package instructions until al dente; drain.
- In a large skillet, brown ground beef with diced onions over medium heat until no longer pink; drain excess fat.
- Stir in diced tomatoes, water, and taco seasoning into the skillet; simmer for 5 minutes.
- Mix the meat mixture with cooked pasta until well combined.
- Layer half of the mixture in a 13×9 baking dish, sprinkle with 1 cup of cheese, add remaining mixture on top.
- Cover with foil and bake at 350°F (175°C) for 30 minutes; uncover and add remaining cheese, baking for another 10 minutes until golden.
- Prep Time: 15 minutes
- Cook Time: 40 minutes
- Category: Main
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 400
- Sugar: 4g
- Sodium: 800mg
- Fat: 22g
- Saturated Fat: 10g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 32g
- Fiber: 3g
- Protein: 24g
- Cholesterol: 70mg