Cheesy Mexican Trash Casserole with Crunchy Doritos Step-by-step instructions

Before you start

Before beginning, preheat the oven and gather all necessary ingredients and kitchen tools. Measure out the taco seasoning and crush the nacho cheese tortilla chips by placing them in a sealed plastic bag and gently pressing with your hands or a rolling pin until they are in bite-sized pieces.

Shred the cheddar cheese from the block and chop the fresh cilantro. Having these components ready ensures a smooth and efficient assembly process once the beef is cooked.

Instructions

Prep and Beef Cooking

1. 1Brown the Beef
   Place a large skillet over medium-high heat. Add the ground beef and cook, breaking it up with a spatula, until it is completely browned and no pink remains, which takes about six to eight minutes. Drain any excess fat from the skillet to keep the casserole from becoming greasy.
   Look for The beef should be fully browned and crumbled.
   Tip Use a slotted spoon to remove excess grease easily.
2. 2Season the Beef
   Reduce the heat to medium. Stir the taco seasoning directly into the browned beef. Cook and stir for about two minutes until the beef is evenly coated and highly fragrant. Ensure the beef reaches a safe internal temperature of 160°F (71°C).
   Look for The seasoning should evenly coat the beef without any dry pockets.
   Safe temperature 160°F (71°C) internal temperature (ground meat)
   Tip Stir constantly to prevent the spices from burning on the bottom of the pan.

At the end of this phase, the ground beef should be fully browned, crumbled, and thoroughly seasoned. The taco seasoning should coat the meat evenly, with no excess grease pooling in the skillet. The seasoned beef will smell highly aromatic, filled with notes of cumin, chili powder, and garlic, and must reach an internal temperature of 160°F (71°C) before proceeding.

Layering the Ingredients

3. 3Layer the Chips
   Preheat the oven to 350°F (175°C). Spread half of the crushed nacho cheese tortilla chips in an even layer at the bottom of your baking dish to create a crunchy foundation.
   Look for The bottom of the dish should be mostly covered with a solid layer of chips.
   Tip Keep some chips in larger pieces for a better textural contrast.
4. 4Add Beef and Cheese
   Pour the seasoned beef mixture evenly over the layer of crushed chips. Sprinkle the shredded cheddar cheese and the remaining crushed chips over the top of the beef layer.
   Look for The cheese and chips should cover the beef completely.
   Tip Distribute the cheese evenly to ensure a perfect cheese pull in every slice.

At this point, the seasoned beef is ready for layering. The casserole dish is fully assembled with a sturdy layer of crushed chips at the bottom, followed by the seasoned beef filling, and topped with a generous, even layer of shredded cheddar cheese and the remaining chips, ready for the oven.

Baking and Serving

5. 5Bake the Casserole
   Place the baking dish in the preheated oven. Bake for fifteen to twenty minutes, or until the cheddar cheese is completely melted, bubbly, and lightly golden brown around the edges.
   Look for The cheese should be bubbling and the chips lightly toasted.
   Tip Watch the oven closely during the last few minutes to prevent the top chips from burning.
6. 6Garnish and Serve
   Remove the casserole from the oven and let it rest for five minutes. Sprinkle the fresh chopped cilantro over the hot, melted cheese before slicing and serving.
   Look for The cilantro should look vibrant green against the melted cheese.
   Tip Letting the casserole rest helps it hold its shape when sliced.

At the final checkpoint, the casserole emerges from the oven steaming hot. The cheddar cheese on top is completely melted, bubbling vigorously around the edges of the dish, and has developed a beautiful golden-brown color.

The exposed tortilla chips are toasted and fragrant. After resting for five minutes, the dish is garnished with bright green cilantro, ready to be sliced and served.

Common mistakes

A common mistake is crushing the tortilla chips too finely into a powder, which results in a dense, soggy base rather than a pleasant, textured layer. Aim for bite-sized, rustic pieces instead.

Another error is failing to drain the excess fat from the cooked ground beef before assembling the layers. This extra grease will separate during baking, leading to an oily film on top of the casserole and a soggy texture throughout.

How to tell it’s done

The casserole is perfectly done when the cheese is completely melted and bubbling throughout the center of the dish, not just around the edges. This ensures that the heat has penetrated all the way through the seasoned beef layer.

Because the ground beef was previously cooked to a safe internal temperature of 160°F (71°C), the baking time is focused on heating the casserole thoroughly and melting the cheese to a golden-brown finish.

• Ground meat: 160°F (71°C) in the thickest part