Crispy Smash Burger Tacos with Secret Animal Sauce Step-by-step instructions

Before you start

Before you start, gather all your ingredients and equipment. Shred the iceberg lettuce and set it aside. If you haven't already, caramelize the onions—this can be done ahead of time and stored in the fridge. Make the secret animal sauce by whisking together all the sauce ingredients in a bowl.

Have your tortillas, ground beef, and cheese ready to go. Preheat a large skillet or griddle over medium-high heat. The key is to work quickly once you start cooking, so having everything prepped and within reach will make the process smooth and enjoyable.

Instructions

Sauce and Prep

1. 1Make the Secret Animal Sauce
   In a medium bowl, combine the mayonnaise, ketchup, Dijon mustard, Worcestershire sauce, white vinegar, sweet pickle relish, finely chopped caramelized onions, garlic powder, and black pepper. Whisk until smooth and silky pink. Set aside.
   Look for The sauce should be a uniform pink color with no streaks.
   Tip Chill the sauce while you prepare the tacos to let the flavors meld.
2. 2Prepare the Toppings
   Shred the iceberg lettuce finely and set aside. If you haven't already, caramelize the onions for both the sauce and the topping. Keep the onions warm or at room temperature.
   Look for The lettuce should be dry and crisp; the onions soft and golden.
   Tip Use a salad spinner to dry the lettuce thoroughly for the best crunch.

After this phase, you should have a smooth, pink sauce that's creamy and tangy. The lettuce should be dry and shredded, and the onions caramelized and sweet.

The sauce should taste balanced—sweet, tangy, and savory all at once. If it's too thick, whisk in a teaspoon of water. The toppings should be ready to go, so you can focus on cooking without pause.

Sear and Crisp

3. 3Sear the Beef
   Heat a large skillet or griddle over medium-high heat. Divide the ground beef into 8 equal portions and season each with kosher salt. Place the portions on the hot surface and press down firmly with a spatula to form thin patties. Cook until browned and crispy on the bottom, about 2-3 minutes.
   Look for The patties should have a deep brown crust on the bottom.
   Safe temperature 160°F (71°C) internal temperature (ground meat)
   Tip Don't move the patties while they cook; let the crust form.
4. 4Flip and Add Cheese
   Flip the patties and immediately place a slice of American cheddar on each. Cook for another 1-2 minutes until the cheese is melted and the beef reaches an internal temperature of 160°F (71°C).
   Look for The cheese should be fully melted and bubbly.
   Safe temperature 160°F (71°C) internal temperature (ground meat)
   Tip Cover the skillet with a lid briefly to help the cheese melt faster.
5. 5Crisp the Tortillas
   While the beef finishes cooking, warm the corn tortillas in a dry skillet or directly over a flame until pliable. Then, in the same skillet with the beef drippings, crisp the tortillas on both sides until golden and slightly charred.
   Look for The tortillas should be pliable but with crispy edges.
   Tip Keep the tortillas warm in a clean kitchen towel while you crisp the rest.
6. 6Assemble the Tacos
   Place a cheese-topped patty on each tortilla. Top with shredded lettuce, a spoonful of caramelized onions, and a generous drizzle of the secret animal sauce. Fold the tortilla in half and press gently.
   Look for The taco should be full but easy to hold.
   Tip Warm the tortillas just before assembling to keep them pliable.

The beef patties should be deeply browned and crispy on the edges, with melted cheese on top. The tortillas should be golden and pliable, with a slight crispness. The kitchen will smell of savory beef and toasted corn. Check that the beef reaches 160°F (71°C) before assembling. If the tortillas start to harden, keep them warm in a towel.

Assemble and Serve

7. 7Finish and Serve
   Serve the tacos immediately, with extra sauce on the side if desired. The tacos are best eaten fresh while the tortillas are crispy and the cheese is melted.
   Look for The tacos should be crispy, cheesy, and saucy.
   Tip Serve with extra napkins—these are messy in the best way.

The assembled tacos should be vibrant: golden tortillas, melted cheese, crisp lettuce, and a pink sauce drizzled on top. The tacos should be easy to fold and hold, with no overflowing filling. Serve immediately for the best texture—crispy, juicy, and saucy. The sauce should be generously applied, but not so much that it makes the tortilla soggy.

Common mistakes

One common mistake is overcrowding the skillet, which steams the beef instead of browning it. Cook the patties in batches if needed. Another pitfall is pressing the patties too thin—they should be about 1/4 inch thick. Pressing too hard can make them tough.

Also, don't skip crisping the tortillas in the beef drippings; that step adds incredible flavor and crunch. Finally, don't overfill the tacos—too much filling can make them hard to fold and eat. Keep the balance: a patty, a handful of lettuce, some onions, and a drizzle of sauce.

How to tell it’s done

The ground beef is done when it reaches an internal temperature of 160°F (71°C). Use an instant-read thermometer to check. The patties should be browned and crispy on the outside, with no pink in the center.

The tortillas are ready when they are golden and slightly charred in spots, but still pliable enough to fold. The cheese should be fully melted and bubbly. The tacos are best served immediately, while the tortillas are still crispy and the cheese is gooey.

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