This Mexican casserole packs in ground beef, rice, peppers, onions, pinto beans, and Mexican inspired flavors for an easy one-pan meal.

Love casseroles? Us too! Try the best chicken casserole or our yummy hamburger casserole next.

The Easiest Mexican Casserole

Start your week off right and make this super easy Mexican casserole for dinner! We are all about ground beef recipes. There are so many different meals that you can whip up in a hurry with ground beef.

Some of our favorites are these ground beef nachos, this yummy Mexican skillet recipe, these easy ground beef tacos, and our favorite beef chili recipe. You just can’t go wrong.

all the reasons we love this Mexican casserole

• You only need to dirty one dish!
• You can throw everything into a casserole dish, mix, and bake.
• It is a great weeknight meal that packs a ton of flavor.
• This Mexican casserole leaves great leftovers. It is a great meal prep meal for the week.
• It lasts in the refrigerator and there are many different ways to serve it!

Ingredients You’ll Need

The ingredient list for this casserole is full of all-star ingredients that are pantry staples! Check out everything you’re going to need.

• Ground beef- We used 93/7% fat content for our ground beef, but you can use whatever ground beef you’d like.
• Minced garlic– Whether you use garlic cloves or pre-minced garlic, don’t skip it!
• Bell peppers– The bell peppers in this Mexican beef skillet add both vegetables and great crunch. We used red and green peppers, but use whatever color you’d like!
• White onion– Onion adds a great base and onion flavor.
• Instant rice– Yes, Instant rice! You can use white or brown instant rice. We use instant rice instead of regular rice to keep the cook time down! We do not recommend using regular rice in this recipe.
• Beef broth– You need a bit of liquid to help cook the rice. We love using beef broth because it has amazing flavor
• Tomato sauce– We love saucy ground beef tacos and the tomato sauce in the Mexican casserole adds that traditional taco flavor you love.
• Green chilies– These chiles add a little extra kick to your beef casserole!
• Pinto beans– Add a little protein to this Mexican beef casserole with some pinto beans!
• Sweet corn– Another great veggie add.
• Spices– We basically use the same spices in this Mexican casserole that we use in our DIY taco seasoning. Chili powder, garlic powder, cumin, and salt!
• Shredded cheddar cheese– You sprinkle a little cheddar cheese towards the end of this casserole bake time for a delicious cheesy topping.

Delicious Topping Options

This delicious Mexican casserole has layer after layer of delicious ingredients. One way to really elevate this recipe is to add some toppings when you serve this casserole to the family.

• sour cream or Greek yogurt
• chopped cilantro
• salsa
• guacamole
• crushed tortilla chips

Ingredients Swaps

Don’t have everything on the ingredient list for this Mexican casserole? Have no fear, here are some great ingredient swaps!

• Ground beef —> try ground turkey or ground chicken!
• Bell peppers—> you can use any color of bell pepper! If you like things spicy, try adding in jalapeños or poblano peppers!
• White onion—> any color onion will work for this recipe.
• Pinto beans—> not a pinto person? Try black beans!
• Canned corn—> hominy would also be a great addition or substitute for corn in this casserole recipe.

make it easy

Print Your Own

Keep common kitchen conversions like tablespoons to teaspoons and Fahrenheit to Celsius on hand at all times with our printable kitchen conversions chart.

get it now

Learn More Kitchen Conversions

How to Make this Mexican Beef Casserole

This Mexican casserole really is so easy to make. Here’s how you do it!

1. Spray a 9×13-inch baking dish with non-stick cooking spray.
2. Fully cook the ground beef in a large skillet over medium-high heat before adding it to the greased casserole dish.
3. Add the rest of the ingredients (except for the cheese) to the casserole dish and mix.
4. Bake the casserole for 45 minutes at 375ºF and add cheese. Bake for 5 more minutes.

different ways to serve this Mexican casserole

Looking for other ways to use this Mexican casserole? You can eat this casserole all by itself and scoop it up with some chips, but here are a few more fun ways to eat this casserole if you are meal prepping it for the week!

• Make a burrito! Add 1/2 cup to 1 cup of this casserole to a large tortilla along with some salsa, guacamole, cheese, and Greek yogurt.
• Try a Taco salad. Throw some spinach or massaged kale in a bowl and top it with some of this Mexican casserole.
• Make a burrito bowl. Make an at home burrito bowl and add this casserole to a bowl with greens, a coleslaw, guacamole, and salsa!

Storage

You can store this Mexican casserole in an air tight container for up to 5 days! Just be sure the casserole is cooled completely before placing it in the fridge.

Can I freeze this?

Yes! You can freeze this recipe. Let the casserole cool completely before placing it in a gallon sized bag, remove the air, and place it in the freezer for up to 3 months.