Walking Taco Casserole
Walking Taco Casserole is a delightful twist on the beloved walking taco, bringing all those flavorful, savory elements together in an irresistible baked dish. Perfect for weeknight dinners or casual gatherings, this casserole melds seasoned ground beef, spicy Rotel tomatoes, and melty cheddar cheese layered over a crunchy base of Doritos. It’s a dish that’s not only comforting but also incredibly easy to prepare, making it a favorite among busy families and taco enthusiasts alike. Whether you’re hosting a game night or simply looking for a delicious way to spice up dinner, this recipe won’t disappoint.
Why you’ll love this dish
This Walking Taco Casserole is special for several reasons. First, it’s a one-dish meal that packs a punch of flavor while being quick and budget-friendly. With only a handful of ingredients and less than an hour from start to finish, it’s perfect for those hectic weeknights when time is of the essence but you still want to serve something satisfying. Plus, kids love this dish; the combination of beef, cheese, and crunchy chips is always a hit. It’s also a fantastic option for potlucks or family reunions—just make sure to bring a generous scoop!
“This casserole is my family’s new favorite! It’s so easy to make and has all the flavors we love. I never thought comfort food could be this simple!” — A satisfied home cook
How this recipe comes together
Making Walking Taco Casserole is a straightforward process that even beginner cooks can master. You’ll start by browning ground beef with diced onion, then infuse it with taco seasoning and chili beans for that signature flavor. While it simmers, layer crushed Doritos in a baking dish to create a crunchy base before pouring the beef mixture over and topping it with cheese. After a quick bake until bubbly and golden, finish with any desired toppings before serving. Each step builds on the last, creating a hearty, delightful dish that everyone will love.
What you’ll need
To whip up this tasty casserole, gather the following ingredients:
- 1 lb ground beef
- 1 small onion, diced
- 1 packet (1 oz) taco seasoning
- 2/3 cup water
- 1 can (15 oz) chili beans, undrained
- 1 can (10 oz) Rotel (diced tomatoes with green chilies), undrained
- 2 cups shredded cheddar cheese
- 2 cups crushed Doritos or corn chips (like Fritos)
- 1 cup sour cream (for topping, optional)
- 1 cup shredded lettuce (for garnish, optional)
- 1 diced tomato (for garnish, optional)
- Chopped green onions or cilantro (optional)
Feel free to make substitutions to suit your taste; ground turkey or chicken works great if you want a lighter option. If you’re looking for a spicier kick, consider using hot taco seasoning or adding jalapeños.
Step-by-step instructions
- Preheat your oven to 350°F (175°C).
- In a large skillet over medium heat, cook the ground beef and diced onion until the beef is browned and the onion is soft. Drain any excess grease if necessary.
- Stir in the taco seasoning and add the 2/3 cup of water. Simmer for 2–3 minutes until slightly thickened.
- Mix in the can of chili beans and Rotel. Stir to combine and let simmer for another 2–3 minutes.
- In a 9×13 inch baking dish, spread half of the crushed chips on the bottom. Pour the beef mixture evenly over the chips. Sprinkle the shredded cheese on top.
- Bake uncovered for 15–20 minutes, until the cheese is melted and bubbly.
- Remove from the oven and top with the remaining crushed chips and any desired garnishes, such as sour cream, lettuce, diced tomatoes, green onions, or cilantro.
Best ways to enjoy it
Serve this Walking Taco Casserole fresh from the oven alongside some extra toppings for a fun and interactive meal. Set up a taco bar where everyone can customize their portions with sour cream, shredded lettuce, diced tomatoes, and fresh herbs. Pair this dish with a refreshing side salad or a bowl of guacamole for a complete feast. It’s perfect for casual gatherings where guests can dive in and enjoy at their own pace.
Storage and reheating tips
To keep leftovers fresh, store any uneaten casserole in an airtight container in the refrigerator. It should last up to 3–4 days. To reheat, place individual portions in the microwave, making sure to cover with a damp paper towel to prevent drying out, or reheat in the oven at 350°F (175°C) until warmed through. For longer storage, you can freeze the assembled casserole (before baking) for up to 3 months. Just make sure to thaw it in the refrigerator before baking.
Tips for success
For a truly satisfying experience, consider these cooking tips:
- Don’t skimp on the cheese; choose a good quality sharp cheddar for the best flavor.
- If you like a little heat, add some chopped jalapeños or use a spicier variety of salsa.
- Experiment with different chip varieties—Nacho Cheese Doritos or even Spicy Fritos can offer exciting taste variations.
- If you prefer a lighter version, substitute ground turkey or chicken, and choose low-fat cheese.
Creative twists
This Walking Taco Casserole is endlessly adaptable! You can try:
- Swapping out the ground beef for grilled chicken or seasoned black beans for a vegetarian version.
- Adding corn or bell peppers to the meat mixture for extra flavor and texture.
- Topping it with crushed tortilla chips instead of Doritos for a different crunch.
Common questions
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How long does it take to prepare and cook Walking Taco Casserole?
- The entire process takes about 30-40 minutes.
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Can I make this dish ahead of time?
- Absolutely! You can assemble it the night before and bake it when you’re ready to serve.
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What can I use instead of chili beans?
- Pinto beans or black beans are excellent alternatives and can provide similar flavor and texture.
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Can I freeze leftover casserole?
- Yes, you can freeze leftovers! Just make sure it’s stored in an airtight container and thaw in the refrigerator before reheating.
This Walking Taco Casserole is a guaranteed crowd-pleaser that combines comfort with convenience. Filled with bold flavors and customizable options, it’s a dish your family is sure to request time and again. Enjoy cooking and more importantly, enjoy eating!

Walking Taco Casserole
Ingredients
Main ingredients
- 1 lb ground beef You can substitute with ground turkey or chicken
- 1 small onion, diced
- 1 oz taco seasoning 1 packet
- 2/3 cup water
- 15 oz chili beans, undrained 1 can
- 10 oz Rotel (diced tomatoes with green chilies), undrained 1 can
- 2 cups shredded cheddar cheese Choose a good quality sharp cheddar
- 2 cups crushed Doritos or corn chips You can substitute with Nacho Cheese Doritos or Spicy Fritos
Optional toppings
- 1 cup sour cream For topping
- 1 cup shredded lettuce For garnish
- 1 medium diced tomato For garnish
- to taste chopped green onions or cilantro Optional for garnish
Instructions
Preparation
- Preheat your oven to 350°F (175°C).
- In a large skillet over medium heat, cook the ground beef and diced onion until the beef is browned and the onion is soft. Drain any excess grease if necessary.
- Stir in the taco seasoning and add the 2/3 cup of water. Simmer for 2–3 minutes until slightly thickened.
- Mix in the can of chili beans and Rotel. Stir to combine and let simmer for another 2–3 minutes.
- In a 9×13 inch baking dish, spread half of the crushed chips on the bottom. Pour the beef mixture evenly over the chips. Sprinkle the shredded cheese on top.
Baking
- Bake uncovered for 15–20 minutes, until the cheese is melted and bubbly.
- Remove from the oven and top with the remaining crushed chips and any desired garnishes, such as sour cream, lettuce, diced tomatoes, green onions, or cilantro.