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Walking Taco Casserole

Walking taco casserole brings the classic taco flavors together in an oven-baked layered dish with crunchy Fritos and melted cheddar. It’s made with seasoned ground beef, refried beans, and a creamy tomato-chile sour cream sauce for a golden-brown top.
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Prep Time 15 minutes
Cook Time 25 minutes
rest 5 minutes
Total Time 45 minutes
Servings: 6 servings
Course: Main Course
Cuisine: Mexican
Calories: 680
Ingredients Equipment Method Notes

Ingredients
  

Ground beef
  • 1 lb ground beef
Taco flavoring
  • 1 packet (1 oz) taco seasoning
  • 0.25 cup water
Crunchy layer
  • 4 cup Fritos corn chips
Bean and tomato sauce
  • 1 can (10 oz) diced tomatoes with green chiles
  • 1 can (8 oz) refried beans
  • 0.5 cup sour cream
  • 0.25 cup diced jalapeños
Cheese and garnish
  • 2 cup shredded cheddar cheese
  • 1 fresh cilantro

Equipment

  • 1 cast iron skillet

Method
 

Brown the beef and season
  1. Preheat oven to 375°F. Brown ground beef in a skillet over medium-high heat, breaking it into small pieces.
  2. Add taco seasoning and water to the browned beef, then simmer for 2 minutes while stirring. Turn off heat when the mixture looks evenly coated.
Assemble the layered casserole
  1. In a 9x13 inch baking dish, layer 2 cups of Fritos on the bottom. Press lightly so they form an even crunchy base.
  2. Spread the seasoned beef over the chips in an even layer. Make sure most of the chips are covered.
  3. Layer refried beans over the beef, spreading to cover. Aim for a consistent thickness so it bakes evenly.
  4. Mix diced tomatoes with green chiles and sour cream, then spread over the beans. Smooth the surface so the next layer clings well.
  5. Top with the remaining Fritos in an even layer. Leave little gaps so steam can escape while baking.
  6. Sprinkle shredded cheddar cheese over the top. Bake until the cheese is bubbly and lightly golden, 20-25 minutes at 375°F.
Finish and serve
  1. Remove from the oven and rest for 5 minutes. This helps the layers set so each slice holds together.
  2. Garnish with diced jalapeños and fresh cilantro before serving. Sprinkle on top while warm for maximum fresh flavor.

Notes

For clean layers, rest the casserole 5 minutes before serving, then scoop with a spatula so the bottom chips don’t break. Refrigerate leftovers in a covered container up to 3-4 days; reheat in the oven at 350°F until warmed through (add a splash of water if the top seems dry). Freezing isn’t recommended because the Fritos texture can soften. For a lighter option, use reduced-fat cheddar and light sour cream.