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Dinner / Mexican Mac and Cheese Casserole: A Delicious & Easy Recipe

Mexican Mac and Cheese Casserole: A Delicious & Easy Recipe

July 10, 2025 by HaileyDinner

Mexican Mac and Cheese Casserole: Prepare to ditch the same-old weeknight dinners! Imagine the creamy, cheesy comfort of classic macaroni and cheese, but kicked up a notch with the vibrant flavors of Mexico. We’re talking a fiesta in every bite, and trust me, your family will be begging for seconds (and thirds!).

While mac and cheese itself has roots stretching back to medieval Europe, this south-of-the-border twist is a relatively modern invention, born from the beautiful fusion of cultures and cuisines. It’s a testament to how adaptable and universally loved mac and cheese truly is. Think of it as a culinary handshake between comfort food and bold, exciting flavors.

What makes this Mexican Mac and Cheese Casserole so irresistible? It’s the perfect marriage of textures – the smooth, velvety cheese sauce clinging to perfectly cooked pasta, punctuated by the satisfying crunch of a golden, bubbly topping. Then there’s the taste: the familiar, comforting cheesiness elevated by the warmth of chili powder, the subtle sweetness of corn, and the zesty kick of jalapeños. It’s also incredibly convenient! This casserole is a fantastic make-ahead meal, perfect for busy weeknights or potlucks. Plus, it’s easily customizable to suit your family’s preferences – add ground beef, shredded chicken, or black beans for extra protein, or swap out the jalapeños for a milder pepper if you prefer. Get ready to experience mac and cheese like never before!

Mexican Mac and Cheese Casserole this Recipe

Ingredients:

  • 1 pound elbow macaroni
  • 1 tablespoon olive oil
  • 1 medium yellow onion, chopped
  • 1 green bell pepper, chopped
  • 1 red bell pepper, chopped
  • 1 jalapeño, seeded and minced (optional, for extra heat)
  • 1 pound ground beef
  • 1 packet (1 ounce) taco seasoning
  • 1 (15 ounce) can black beans, rinsed and drained
  • 1 (15 ounce) can corn, drained
  • 1 (10 ounce) can diced tomatoes and green chilies (Rotel), undrained
  • 4 tablespoons butter
  • 1/3 cup all-purpose flour
  • 3 cups milk
  • 4 cups shredded cheddar cheese, divided
  • 1 cup shredded Monterey Jack cheese
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • Optional toppings: sour cream, salsa, chopped cilantro, avocado slices

Preparing the Macaroni and Meat Mixture

  1. Cook the macaroni: First things first, let’s get that macaroni cooking! Bring a large pot of salted water to a boil. Add the elbow macaroni and cook according to package directions, usually around 8-10 minutes, or until al dente. You want it slightly firm because it will continue to cook in the oven. Once cooked, drain the macaroni well and set it aside.
  2. Sauté the vegetables: While the macaroni is cooking, heat the olive oil in a large skillet over medium heat. Add the chopped onion, green bell pepper, red bell pepper, and jalapeño (if using). Cook, stirring occasionally, until the vegetables are softened, about 5-7 minutes. The onions should be translucent and the peppers slightly tender.
  3. Brown the ground beef: Add the ground beef to the skillet with the vegetables. Break it up with a spoon and cook until it’s browned all over. Drain off any excess grease. Nobody wants a greasy casserole!
  4. Season the beef: Stir in the taco seasoning packet according to the package directions. Usually, this involves adding a little water (about 1/4 cup) and simmering for a few minutes to allow the flavors to meld. Make sure the beef is evenly coated with the taco seasoning.
  5. Add beans, corn, and tomatoes: Now, add the rinsed and drained black beans, drained corn, and the can of diced tomatoes and green chilies (Rotel) to the skillet. Stir everything together well. Bring the mixture to a simmer and let it cook for about 5 minutes, allowing the flavors to combine. This step is crucial for that authentic Mexican flavor!

Making the Cheese Sauce

  1. Melt the butter: In a large saucepan, melt the butter over medium heat. Make sure the butter doesn’t burn!
  2. Whisk in the flour: Once the butter is melted, whisk in the all-purpose flour. Continue whisking constantly for about 1-2 minutes. This creates a roux, which is the base for our creamy cheese sauce. It should be smooth and slightly golden.
  3. Gradually add the milk: Slowly pour in the milk, whisking continuously to prevent lumps from forming. Keep whisking until the mixture is smooth and starts to thicken. This might take a few minutes, so be patient!
  4. Simmer the sauce: Reduce the heat to low and let the sauce simmer, stirring occasionally, until it has thickened to a sauce consistency. This usually takes about 5-7 minutes. You should be able to coat the back of a spoon with the sauce.
  5. Add the cheese: Remove the saucepan from the heat. Add 3 cups of the shredded cheddar cheese and the Monterey Jack cheese to the sauce. Stir until the cheese is completely melted and the sauce is smooth and creamy.
  6. Season the cheese sauce: Season the cheese sauce with salt and pepper to taste. Remember, the taco seasoning already has some salt, so start with a smaller amount and adjust as needed.

Assembling the Casserole

  1. Combine macaroni and meat mixture: In a large bowl, combine the cooked macaroni with the ground beef mixture. Stir well to ensure the macaroni is evenly coated with the meat and vegetables.
  2. Pour in the cheese sauce: Pour the cheese sauce over the macaroni and meat mixture. Stir gently to combine everything. Make sure all the macaroni is coated in that delicious cheese sauce!
  3. Transfer to baking dish: Pour the macaroni and cheese mixture into a greased 9×13 inch baking dish. Spread it out evenly.
  4. Top with remaining cheese: Sprinkle the remaining 1 cup of shredded cheddar cheese evenly over the top of the casserole. This will create a nice, golden-brown crust.

Baking the Casserole

  1. Bake: Preheat your oven to 350°F (175°C). Bake the casserole for 20-25 minutes, or until the cheese is melted and bubbly and the top is lightly golden brown.
  2. Let it rest: Remove the casserole from the oven and let it rest for about 5-10 minutes before serving. This allows the casserole to set slightly and makes it easier to cut.

Serving Suggestions

  1. Serve and enjoy: Serve the Mexican Mac and Cheese Casserole hot.
  2. Optional toppings: Top with your favorite toppings, such as sour cream, salsa, chopped cilantro, and avocado slices. These add extra flavor and texture to the dish. A dollop of guacamole would also be amazing!
  3. Make it a meal: Serve with a side salad or some tortilla chips and guacamole for a complete meal.

Tips and Variations

  • Spice it up: If you like it extra spicy, add more jalapeño or a pinch of cayenne pepper to the meat mixture.
  • Use different cheese: Feel free to experiment with different types of cheese. Pepper jack, Colby jack, or even a little bit of queso fresco would be delicious.
  • Add more vegetables: You can add other vegetables to the meat mixture, such as diced zucchini, mushrooms, or bell peppers of different colors.
  • Make it vegetarian: To make this casserole vegetarian, simply omit the ground beef and add more beans or vegetables. You could also use a plant-based ground beef substitute.
  • Make it ahead: You can assemble the casserole ahead of time and store it in the refrigerator for up to 24 hours. When you’re ready to bake it, simply add a few extra minutes to the baking time.
  • Freezing instructions: To freeze the casserole, let it cool completely after baking. Wrap it tightly in plastic wrap and then in aluminum foil. Freeze for up to 3 months. To reheat, thaw it in the refrigerator overnight and then bake it in a preheated oven at 350°F (175°C) until heated through.
Enjoy your homemade Mexican Mac and Cheese Casserole! It’s a crowd-pleaser that’s perfect for potlucks, family dinners, or any occasion.

Mexican Mac and Cheese Casserole

Conclusion:

This Mexican Mac and Cheese Casserole is truly a flavor explosion you won’t want to miss! It’s the perfect blend of creamy comfort food and zesty Mexican spices, creating a dish that’s both familiar and excitingly new. Forget boring weeknight dinners; this casserole is a guaranteed crowd-pleaser, whether you’re feeding a family or hosting a casual get-together. The combination of the cheesy sauce, the tender macaroni, and the vibrant mix-ins like corn, black beans, and those little kicks of jalapeño is simply irresistible. It’s a symphony of textures and tastes that will have everyone reaching for seconds (and maybe even thirds!).

But what truly elevates this recipe to “must-try” status is its incredible versatility. While it’s fantastic as is, there are so many ways to customize it to your liking. Feeling adventurous? Try adding some shredded chicken or ground beef for an extra protein boost. Want to dial up the heat? A dash of cayenne pepper or a few extra jalapeños will do the trick. For a vegetarian option, consider adding some roasted vegetables like bell peppers, zucchini, or even sweet potatoes. The possibilities are endless!

Serving suggestions are just as flexible. This casserole is delicious on its own, but it also pairs perfectly with a simple side salad or some crusty bread for dipping. For a truly festive meal, serve it with a dollop of sour cream, a sprinkle of fresh cilantro, and a side of guacamole. It’s also fantastic as a potluck dish – easy to transport and always a hit. And don’t forget about leftovers! This casserole reheats beautifully, making it a perfect option for lunch the next day. You can even repurpose it into mac and cheese stuffed peppers or use it as a filling for quesadillas.

I’ve poured my heart into perfecting this recipe, and I’m confident that you’ll love it as much as I do. It’s a dish that’s both comforting and exciting, familiar and unique. It’s the kind of recipe that you’ll find yourself making again and again, adapting it to your own tastes and preferences. So, what are you waiting for? Gather your ingredients, preheat your oven, and get ready to experience the magic of this Mexican Mac and Cheese Casserole.

I’m so excited for you to try this recipe! Once you’ve had a chance to make it, I’d love to hear about your experience. Did you make any modifications? What did your family think? Share your photos and stories in the comments below. Your feedback is invaluable, and it helps me continue to create recipes that you’ll love. Happy cooking, and I can’t wait to see what you create! Let me know if you have any questions, and I’ll do my best to answer them. Enjoy!


Mexican Mac and Cheese Casserole: A Delicious & Easy Recipe

Cheesy, flavorful Mexican-inspired mac and cheese casserole with ground beef, taco seasoning, beans, corn, and a creamy cheddar cheese sauce. Perfect for a comforting and crowd-pleasing meal!

Prep Time25 minutes
Cook Time40 minutes
Total Time65 minutes
Category: Dinner
Yield: 8-10 servings
Save This Recipe

Ingredients

  • 1 pound elbow macaroni
  • 1 tablespoon olive oil
  • 1 medium yellow onion, chopped
  • 1 green bell pepper, chopped
  • 1 red bell pepper, chopped
  • 1 jalapeño, seeded and minced (optional, for extra heat)
  • 1 pound ground beef
  • 1 packet (1 ounce) taco seasoning
  • 1 (15 ounce) can black beans, rinsed and drained
  • 1 (15 ounce) can corn, drained
  • 1 (10 ounce) can diced tomatoes and green chilies (Rotel), undrained
  • 4 tablespoons butter
  • 1/3 cup all-purpose flour
  • 3 cups milk
  • 4 cups shredded cheddar cheese, divided
  • 1 cup shredded Monterey Jack cheese
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper

Instructions

  1. Cook the macaroni: Bring a large pot of salted water to a boil. Add the elbow macaroni and cook according to package directions (8-10 minutes), until al dente. Drain well and set aside.
  2. Sauté the vegetables: Heat olive oil in a large skillet over medium heat. Add onion, green bell pepper, red bell pepper, and jalapeño (if using). Cook, stirring occasionally, until softened (5-7 minutes).
  3. Brown the ground beef: Add ground beef to the skillet. Break it up and cook until browned. Drain off any excess grease.
  4. Season the beef: Stir in taco seasoning packet according to package directions (usually with 1/4 cup water and simmer).
  5. Add beans, corn, and tomatoes: Add black beans, corn, and Rotel to the skillet. Simmer for 5 minutes.
  6. Melt the butter: In a large saucepan, melt butter over medium heat.
  7. Whisk in the flour: Whisk in flour and cook for 1-2 minutes, until smooth and slightly golden (roux).
  8. Gradually add the milk: Slowly pour in milk, whisking continuously to prevent lumps. Whisk until smooth and thickened.
  9. Simmer the sauce: Reduce heat to low and simmer, stirring occasionally, until thickened (5-7 minutes).
  10. Add the cheese: Remove from heat. Add 3 cups cheddar cheese and Monterey Jack cheese. Stir until melted and smooth.
  11. Season the cheese sauce: Season with salt and pepper to taste.
  12. Combine macaroni and meat mixture: In a large bowl, combine cooked macaroni with the ground beef mixture.
  13. Pour in the cheese sauce: Pour cheese sauce over the macaroni and meat mixture. Stir gently to combine.
  14. Transfer to baking dish: Pour into a greased 9×13 inch baking dish. Spread evenly.
  15. Top with remaining cheese: Sprinkle remaining 1 cup cheddar cheese over the top.
  16. Bake: Preheat oven to 350°F (175°C). Bake for 20-25 minutes, or until cheese is melted and bubbly and the top is lightly golden brown.
  17. Let it rest: Let it rest for 5-10 minutes before serving.
  18. Serve and enjoy: Serve hot with optional toppings like sour cream, salsa, cilantro, and avocado.

Notes

  • Spice it up: Add more jalapeño or cayenne pepper for extra heat.
  • Use different cheese: Experiment with Pepper Jack, Colby Jack, or queso fresco.
  • Add more vegetables: Add diced zucchini, mushrooms, or bell peppers.
  • Make it vegetarian: Omit ground beef and add more beans or vegetables, or use plant-based ground beef substitute.
  • Make it ahead: Assemble and refrigerate for up to 24 hours. Add a few extra minutes to baking time.
  • Freezing instructions: Cool completely, wrap tightly, and freeze for up to 3 months. Thaw overnight and bake at 350°F (175°C) until heated through.

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