Slow Cooker Taco Casserole

Category: Satisfying Main Dishes for Every Occasion

Combine browned ground beef, onions, garlic, and taco seasoning with tomatoes, black beans, corn, salsa, and cheese for a tasty slow-cooked casserole. Cut tortillas into strips, then layer all ingredients in a slow cooker for even cooking and rich flavor. Suitable for meal prep or feeding a crowd, this meal delivers familiar Tex-Mex taste and hearty satisfaction with simple preparation. Customize with toppings like avocado or jalapeños for extra zest.

Recipes Fives Halima
Created by Mary Loxip Mary Loxip
Last updated on Thu, 06 Nov 2025 22:00:41 GMT
A bowl of food with tomatoes, cheese, and chili. Pin
A bowl of food with tomatoes, cheese, and chili. | panbite.com

Slow Cooker Taco Casserole is the simple crowd-pleaser I keep coming back to whenever dinner needs to feed a pack of hungry eaters with zero fuss. It is layered with zesty taco flavors, creamy cheese, and tender tortillas all bubbling together until perfectly melded. This recipe has rescued me from weeknight chaos more times than I can count and always earns a chorus of happy groans at the table.

My kids always cheer when they spot this in the slow cooker and I love how easy cleanup is afterward. Even on especially busy nights it feels like we are celebrating Taco Tuesday in style.

Gather Your Ingredients

  • Ground beef: Choose lean for less grease and a richer flavor
  • Onion: Sweetness and depth chopped fresh for the best texture and aroma
  • Garlic: Adds a punch of fragrance use fresh cloves for maximum impact
  • Taco seasoning mix: Essential for classic taco taste a pre-mixed packet makes things simple
  • Diced tomatoes with green chilies: Rotel or store brand both bring tang and spice
  • Black beans: Lend protein and fiber drain and rinse well to avoid mushiness
  • Corn: Sweetens and brightens use fresh or frozen corn if you want more bite
  • Salsa: Brings moisture and a tomatoey zing choose a brand you love since it shapes the casserole's flavor
  • Mexican cheese blend: Melts smoothly for creamy topping buy freshly shredded if possible for best melt
  • Tortillas: Structure and chewiness use fresh tortillas for best texture flour or corn depending on preference

How to Make It

Brown the Meat:
In a large skillet cook the ground beef over medium high heat until deep brown and crumbly. Make sure to break up any large chunks and drain off as much excess fat as possible for a lighter casserole.
Sauté the Aromatics:
Add diced onion to the beef in the skillet and stir. Keep the heat at medium to avoid scorching. Wait about three minutes for the onion to soften and start turning translucent then add minced garlic. Stir constantly for a minute so the garlic perfumes the mix but does not brown.
Mix in Seasonings and Tomatoes:
Sprinkle the taco seasoning mix over everything and toss thoroughly so every bit of beef and onion is coated. Cook this for a full minute to wake up the spices. Next pour in the entire can of diced tomatoes with green chilies juice and all. Mix until everything is evenly distributed then remove the skillet from heat.
Build the Casserole Layers:
Spray your slow cooker insert with nonstick spray. Scatter a layer of tortilla strips across the bottom followed by a scoop of the beef mixture. Add spoonfuls of black beans corn and salsa. Repeat the layers ending with extra tortilla strips a good sprinkle of cheese and a final ladleful of salsa for moisture.
Cook Slow and Low:
Cover the slow cooker and set to low for four hours or high for about two hours. Everything should end up bubbly and melty but let it go longer for deeper melding or if your slow cooker tends to run cool.
Finish with Cheese and Rest:
Sprinkle remaining cheese on top for the last fifteen minutes of cook time so it melts smoothly. Turn off the slow cooker and let the casserole rest open for at least ten minutes before serving so slices hold their shape.
A bowl of food with tomatoes, lettuce, and cheese.
A bowl of food with tomatoes, lettuce, and cheese. | panbite.com

I never skip adding plenty of garlic since its fragrance is one of my favorite parts of this casserole. Every birthday or game night I think of making it because it guarantees there will be smiles around our table.

Flavor Boosters

Ground turkey or shredded rotisserie chicken work well instead of beef. Pinto beans substitute smoothly for black beans. Monterey Jack or cheddar cheese give a different cheesy melt. Toasting your tortilla strips before layering adds extra flavor oomph.

Serving Suggestions

Top with sour cream, avocado, or chopped cilantro for a bright finish. Serve with a crisp salad or Spanish rice to round out the meal. Leftovers can be stuffed in burritos or rolled into enchiladas for variety.

Creative Twists

Add roasted bell peppers or zucchini in summer for extra vegetables. For a winter version, spice up with chipotle powder or extra cheese for stick-to-your-ribs satisfaction. Fresh tomatoes and corn during peak season bring this casserole even more vibrant flavor.

A bowl of food with tomatoes, corn, and beans.
A bowl of food with tomatoes, corn, and beans. | panbite.com

Slow Cooker Taco Casserole is my weeknight hero. Prep ahead for easy family dinners and savor every zesty, cheesy bite.

Common Questions About This Recipe

→ Can I use chicken instead of beef?

Yes, shredded or ground chicken can replace beef for a lighter texture. Adjust seasoning to taste for poultry.

→ Are corn or flour tortillas better for this dish?

Both varieties work well. Corn adds extra flavor and holds up well while flour tortillas provide a softer texture.

→ How can I make this casserole spicier?

Use hot salsa, add diced jalapeños, or choose spicy taco seasoning to intensify the heat level.

→ Can I assemble this in advance?

Yes, layer all ingredients in the slow cooker insert, cover, and refrigerate. Cook when ready to serve for fresh results.

→ Can it be made vegetarian?

Simply omit the beef and add extra beans or cooked lentils for a satisfying meatless entrée.

Slow Cooker Taco Casserole

Create a comforting casserole perfect for any month, using ground beef, taco seasoning, black beans, tomatoes, tortillas, and cheese. Ideal for gatherings or cozy dinners. Save & click.

Preparation Time
25 minutes
Cooking Time
120 minutes
Complete Time
145 minutes
Created by Mary Loxip: Mary Loxip

Type of Recipe: Main Dishes

Level of Skill: Perfect for Beginners

Cultural Cuisine: Mexican-American

Serves: 15 Portion Size (One large casserole, serves 15 portions)

Dietary Needs: ~

What You Need

→ Main Ingredients

01 1 pound ground beef
02 1 small onion, diced
03 2 cloves garlic, minced
04 1 packet (1 ounce) taco seasoning mix
05 1 can (14.5 ounces) diced tomatoes with green chilies, including juice
06 1 can (15 ounces) black beans, drained and rinsed
07 1 can (15 ounces) corn, drained
08 1 cup salsa
09 1 cup shredded Mexican cheese blend
10 6 small flour or corn tortillas, cut into strips

How to Make It

Step 01

In a large skillet over medium-high heat, cook the ground beef until browned. Drain excess fat.

Step 02

Add diced onion to the skillet with the beef and cook until softened, about 3 to 4 minutes. Stir in minced garlic and continue cooking for 1 minute until aromatic.

Step 03

Stir in the taco seasoning mix and cook for 1 minute. Add the diced tomatoes with green chilies and their juice, then combine well. Remove from heat.

Step 04

Layer half of the tortilla strips on the bottom of a slow cooker. Spread half of the cooked beef mixture on top, then scatter half of the black beans and corn. Drizzle with half of the salsa and sprinkle with half of the cheese. Repeat with remaining tortilla strips, beef mixture, beans, corn, salsa, and cheese.

Step 05

Cover and cook on low for 3 to 4 hours, or on high for 1 to 2 hours, until heated throughout and cheese is fully melted.

Step 06

Allow to rest for 10 minutes before serving. Slice and serve warm.

Extra Tips

  1. For spicier flavor, use hot salsa or add extra chili flakes to the beef mixture.

Tools You'll Need

  • Large skillet
  • Slow cooker
  • Chef’s knife
  • Cutting board

Allergen Information

Always review ingredients for possible allergens and consult a healthcare provider if unsure.
  • Contains dairy (cheese) and gluten (flour tortillas); may contain soy or wheat in taco seasoning.

Nutritional Details (Per Serving)

These facts are provided as informational and aren't a substitute for professional advice.
  • Calories: 500
  • Fat Content: 18 grams
  • Carbohydrate Content: 30 grams
  • Protein Content: 25 grams