Recipe courtesy of Baby's Badass Burgers

The Original Beauty

This bright pink truck counts Guardians of the Galaxy star Zoe Saldana among its celeb clientele, and the signature burger is her favorite: It's topped with Baby's special sauce, a spicy mayo-ketchup-chipotle mix.
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  • Level: Easy
  • Total: 45 min
  • Prep: 20 min
  • Cook: 25 min
  • Yield: 4 servings
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Kosher salt

1 tablespoon Old Bay Seasoning

1 tablespoon paprika

1 tablespoon chili powder

1 tablespoon garlic salt

For the special sauce:

1 cup mayonnaise

1 cup ketchup

1/2 teaspoon yellow mustard

1 canned chipotle chile in adobo sauce,

finely chopped

For the toppings:

2 tablespoons extra-virgin olive oil

8 ounces white button mushrooms (about 15), thinly sliced

1 small onion, thinly sliced

Kosher salt and freshly ground pepper

For the burgers:

Vegetable oil, for the grill

2 pounds ground beef chuck

4 slices Swiss cheese

4 sweet Hawaiian hamburger buns, split


  1. Make the spice blend: Combine 2 tablespoons kosher salt, the Old Bay, paprika, chili powder and garlic salt in a small bowl; set aside.
  2. Make the special sauce: Whisk the mayonnaise, ketchup, mustard, chipotle and 1 1/2 teaspoons of the prepared spice blend in a medium bowl until smooth; refrigerate until ready to use.
  3. Make the toppings: Heat the olive oil in a large skillet over medium-high heat. Add the mushrooms and cook, undisturbed, until browned on the bottom, about 2 minutes. Add the onion and season with salt and pepper. Reduce the heat to medium low and cook, stirring occasionally, until the vegetables are tender, 10 to 12 minutes. Remove from the heat and cover to keep warm.
  4. Grill the burgers: Preheat a grill to medium and brush the grates with vegetable oil. Form the beef into four 1-inch-thick patties and season generously with the spice blend. Grill until the bottoms are sizzling and browned, 5 to 6 minutes. Flip and cook 5 more minutes for medium. Top the burgers with the mushrooms and onions, then top each with a slice of cheese; let melt, about 1 more minute. Meanwhile, lightly toast the buns on the grill.
  5. Spread the special sauce on the buns. Sandwich with the burgers.