Category: Tex-Mex

  • Mexican Ground Beef Casserole

    Mexican Ground Beef Casserole

    There is something so soothing about a casserole. It’s like a warm hug for your stomach. It’s basically the food version of a fuzzy blanket on a cold night. When you take the bright, spicy flavors of the Southwest and mix them with a hearty family bake, you get the absolute best Mexican casserole I’ve ever made.

    Now, if you went to Mexico, you probably wouldn’t find this exact dish. It’s more of a Tex-Mex classic. It’s a lot like chilaquiles—those fried tortillas soaked in sauce—but it’s built into a solid, crowd-pleasing meal. I call this my “pantry hero.” Why? Because it uses basic stuff like canned beans and Rotel. Even though the ingredients are simple, the taste is deep and delicious.

    I recently made this for a group of friends on a Friday night. We were all tired from work and didn’t want anything fancy. This dish hit the spot perfectly.

    What to Expect

    Before we turn on the oven, let’s look at the stats. This recipe is fast. You can go from starving to eating in about 35 minutes.

    • Prep Time: 15 minutes
    • Cook Time: 20 minutes
    • Total Time: 35 minutes
    • Servings: 6 big portions
    • Skill Level: Super easy. If you can brown meat, you can do this.
    Mexican Ground Beef Casserole

    Tools and Planning

    You’ll need a big skillet and a 9×13 baking dish. No 9×13 dish? No problem. Just use a deep 12-inch cast iron skillet. It works great and means one less dish to wash later!

    This meal is a dream for leftovers. The flavor actually gets better the next day. If you’re only cooking for two people, try this: split the food into two smaller 8×8 pans. Bake one now. Freeze the other for a rainy day.

    FeatureDetails
    ScalingDouble everything for two 9×13 pans (perfect for parties).
    Make-AheadBuild it, cover it, and keep it in the fridge for 24 hours.
    Freezer-FriendlyYes! Freeze it unbaked for up to 3 months.

    The Ingredient List

    The magic here is all in the layers. Here is what you need:

    The Meat and Heat

    You need one pound of ground beef. I use the 90/10 lean kind so it isn’t too oily. You’ll season this with two tablespoons of taco seasoning. You can use a store-bought packet or make your own with chili powder and cumin.

    The Saucy Stuff

    This keeps the dish moist. Grab one can of chili beans (don’t drain them!), one can of Rotel, and a 15 oz can of crushed tomatoes. The tomatoes make a smooth sauce that turns the tortillas soft, almost like noodles.

    The Layers

    You’ll need 12–16 corn tortillas, cut into quarters. Corn is better than flour here because it has that great corn taste and holds up better. For the topping, get one cup of sour cream and two cups of shredded cheddar.

    Quick Swaps:

    • Meat: Use ground turkey or chicken if you want something lighter.
    • Cheese: Cheddar is great, but Pepper Jack adds a nice bite.
    • Beans: Not a fan of chili beans? Use black beans or pinto beans instead.
    Mexican Casserole with Beef

    How to Make It: Step-by-Step

    Let’s get cooking! I’ll walk you through it.

    1. Build the Flavor

    Put your skillet on medium heat. Add the beef and break it up. You want it brown, not just gray. Once it’s cooked, drain the fat. Nobody likes a greasy casserole! Stir in the taco seasoning, the beans (with the juice), the Rotel, and the crushed tomatoes.

    The secret? Let it simmer for about 3 minutes. It lets the flavors get to know each other. If it looks too thick, add a tiny bit of water.

    2. Start Layering

    Spray your 9×13 dish with oil. We’re going to build this like a lasagna. Put half of your cut tortillas on the bottom. Overlap them—it doesn’t have to be pretty! Pour half of the meat sauce on top. Sprinkle with one cup of cheese. Make sure the meat gets all the way to the edges so the tortillas get soft.

    How to Make Casserole

    3. The Creamy Part

    Do it again. Add the rest of the tortillas and the rest of the meat. Now, here is my favorite trick: spread that one cup of sour cream right over the meat. It feels messy, but trust me. As it bakes, it turns into a tangy, creamy layer that is so good. Top it off with the rest of the cheese.

    Prepare Mexican Casserole

    4. The Bake

    Put it in the oven at 350°F for 20 minutes. You aren’t really “cooking” it now; you’re just melting it all together. It’s done when the cheese is bubbly and the edges are slightly brown. Don’t overbake it! If the cheese gets too hard, the tortillas won’t be as soft.

    Mexican Casserole

    Serving and Leftovers

    When it comes out, wait 5 or 10 minutes before cutting it. This is the hard part! But it helps the layers stay together so it doesn’t fall apart on the plate. I love eating this with a simple salad or some crunchy chips.

    If you have leftovers, keep them in a sealed container in the fridge for up to 4 days. To heat it back up, the oven is best, but the microwave is fine for a quick lunch.

    Serve Mexican Casserole
    Storage MethodHow Long?How to Reheat
    Fridge3–4 Days350°F for 15 mins (covered with foil).
    Frozen (Unbaked)3 MonthsThaw in fridge overnight, then bake normally.
    Frozen (Baked)2 MonthsReheat from frozen at 325°F for 45 mins.

    Enjoy your dinner! There is nothing like a hot, cheesy meal to end the day. Happy cooking!

    Print

    Mexican Ground Beef Casserole

    5 Stars 4 Stars 3 Stars 2 Stars 1 Star

    No reviews

    This is the ultimate “pantry hero” meal. It’s a hearty, cheesy Tex-Mex bake that tastes like a cozy hug in a 9×13 dish. Using simple staples, it creates a deep, savory flavor that’s perfect for busy weeknights or casual get-togethers.

    • Author: Carlos
    • Prep Time: 15 minutes
    • Cook Time: 20 minutes
    • Total Time: 35 minutes
    • Yield: 6 1x
    • Category: Dinner
    • Cuisine: Tex-Mex / Mexican-style

    Ingredients

    Scale
    • 1 lb Ground Beef (90/10 lean preferred)
    • 2 tbsp Taco Seasoning (store-bought or homemade)
    • 1 can (15 oz) Chili Beans (keep the liquid!)
    • 1 can (10 oz) Rotel (diced tomatoes with green chilies)
    • 1 can (15 oz) Crushed Tomatoes
    • 1216 Corn Tortillas (quartered)
    • 1 cup Sour Cream
    • 2 cups Shredded Cheddar Cheese

    Instructions

    1. Brown the Beef: In a large skillet over medium heat, cook the beef until fully browned. Drain any excess fat.
    2. Make the Sauce: Stir in the taco seasoning, the entire can of chili beans (liquid included), Rotel, and crushed tomatoes. Simmer for 3 minutes to let the flavors meld.
    3. Start the Layers: Lightly grease a 9×13 baking dish. Lay half of the quartered tortillas on the bottom, followed by half of the meat sauce and 1 cup of cheese.
    4. Add the Creamy Layer: Repeat with the rest of the tortillas and meat sauce. Spread the sour cream evenly over the meat, then top with the remaining 1 cup of cheese.
    5. Bake: Cook at 350°F for 20 minutes until the cheese is bubbly and the edges are golden.

    Notes

    Tips & Tricks

    • Wait to Slice: Let the casserole rest for 5–10 minutes after baking. This helps the layers set so it doesn’t fall apart when serving.
    • Pan Swap: If you don’t have a 9×13 dish, a 12-inch oven-safe skillet works perfectly.
    • Corn is King: Stick with corn tortillas! They soften into a delicious, noodle-like texture that flour tortillas just can’t match.

    Serving Suggestions

    • Serve with a side of crunchy tortilla chips or a crisp green salad to balance the richness.
    • Top with fresh cilantro, diced avocado, or extra jalapeños if you like a kick.

    Storage & Reheating

    • Fridge: Keep in an airtight container for up to 4 days. Reheat at 350°F (covered with foil) to keep it moist.
    • Freezer: You can freeze this unbaked for up to 3 months. Just thaw it in the fridge overnight before putting it in the oven.

    Did you make this recipe?

    Share a photo and tag us — we can’t wait to see what you’ve made!