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This Mexican ground beef casserole recipe is full of flavor and won’t leave you feeling guilty about indulging. Packed with lean ground beef, colorful veggies, and a tasty taco seasoning, it’s a healthy twist on a classic comfort food. If you love Mexican food then you will love this healthy casserole dish. This is one of my favorite dairy-free and easy gluten-free casserole recipes, making it a great recipe for the whole family. 

This easy ground beef casserole recipe perfectly balances Mexican flavors, from hearty black beans, spicy green chiles, sweet bell pepper, fire-roasted canned tomatoes, and dairy-free shredded cheddar cheese. Everything starts in a large skillet and then bakes to perfection in the oven for a delicious meal. 

This easy Mexican casserole recipe is made with wholesome ingredients without sacrificing flavor. It offers a well-balanced and satisfying meal that is perfect for busy weeknights or relaxed weekends. 

Easy casseroles and easy ground beef recipes make meal prep so easy. This recipe checks both boxes making it a win-win.

Ingredients for a Mexican Ground Beef Casserole Recipe

To make this dish you will need quite a few simple ingredients. Don’t let the amount of veggies scare you, it’s worth it! You can get all of these items at your local grocery store and/or online. When it comes to vegetables, I always opt for organic when possible. I feel quality fruits, vegetables, and meats are important to our health. 

• 1 – 1 1/2 lbs grass-fed ground beef
• ​1/2 chopped onion
• 1 medium green bell pepper, diced
• 1 1/2 Tbsp taco seasoning
• 2 cloves garlic, minced
• 1 can of fire-roasted tomatoes (14.5 oz can)
• 1 can black beans (15 oz can), drained, and rinsed
• 1 small can green chiles (4 oz)
• 1 can tomato paste (6 oz)
• 1/2 cup beef bone broth (or chicken broth)
• 1/2 cup frozen corn
• 1 medium zucchini, chopped
• 2 sweet potatoes, cubed
• 1 1/2 cup shredded dairy-free cheese
• optional for sides – avocado, dairy-free sour cream, pico de Gallo, cassava tortilla chips

Ingredient Tips and Substitutions

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You can find fresh produce at the grocery store, and for the ground beef, we get half of a steer from a local farm. You don’t need to get a cow to get quality meat. Grass-fed and finished beef and other meats are available online here: Crowd Cow. 

The fire-roasted diced tomatoes add a nice flavor that you should not skip. These are the tomatoes that I like: fire-roasted tomatoes.  

Beef broth or chicken broth will work for this recipe. You can make your own: homemade chicken broth, or use store-bought, this is the brand that I like: bone broth.

You can make your own homemade taco seasoning, or use premade. Keep in mind that many brands add too much sodium and unwanted ingredients. This is the one that I like because it keeps the ingredients simple and to a minimum: taco seasoning.

Make sure to check out all of my casserole essentials for a well-stocked kitchen.

How to Make a Healthy Cheesy Mexican Casserole

First, preheat the oven to 375 degrees F.

​Then place the cubed sweet potatoes along the bottom of the baking dish and bake for 20 minutes while you prepare the rest of the ingredients. 

Next, in a large skillet, heat a drizzle of olive oil over medium-high heat. Add the ground beef and cook, breaking it up with a spoon, until browned and crumbly. Drain any excess grease if needed, then add the diced onion.

Add the green bell peppers.

Cook for 3-5 minutes until the onions are translucent and the peppers are a little tender.

Then add the minced garlic, taco seasoning, and zucchini to the skillet.

Stir to combine and cook for another 3 minutes.

Next, add the tomatoes, black beans, frozen corn, green chiles, tomato paste, and bone broth.

Stir all of the ingredients together in the skillet to combine, and cook for another 2-3 minutes. 

Then sprinkle half of the shredded cheese into the skilet, and stir.

At this point, the sweet potatoes should be ready.

Carefully scoop or spoon the ground beef mixture into the casserole dish on top of the sweet potatoes. 

Sprinkle the rest of the cheese on top of the casserole, cover with aluminum foil, and return to the preheated oven to bake for 20 minutes.

Easy Mexican Ground Beef Casserole

Remove the foil for the last 3-4 minutes in the oven so the cheese can melt, and let the casserole cool for a few minutes before serving. It is very hot!

Serve with your favorite taco toppings, like sour cream, avocado, cassava, or corn chips. 

This healthy Mexican ground beef casserole is a family favorite and is full of good nutrition. Lean ground beef provides a hearty dose of protein to keep you feeling satisfied, while the vibrant mix of vegetables and beans adds a powerful punch of fiber. This fiber helps with digestion, keeps you feeling fuller for longer, and contributes to overall gut health.  

Enjoy a delicious and wholesome meal any night of the week. Store leftovers in an airtight container in the refrigerator for 3-5 days. It is just as delicious the next day.

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