Ingredients

  • 1 cup sour cream
  • 1 tablespoon finely grated lime zest
  • 1/4 cup fresh lime juice
  • 2 tablespoons chopped fresh cilantro
  • 1 tablespoon unseasoned rice vinegar
  • Kosher salt
  • 2 tablespoons olive oil, divided
  • 2 pounds ground beef chuck
  • 1 small yellow onion, chopped
  • 6 garlic cloves, finely chopped
  • 1 14-ounce can whole peeled tomatoes
  • 1 12-ounce bottle tomato-based chili sauce (such as Heinz)
  • 1/4 cup Worcestershire sauce
  • 3 tablespoons ancho chile powder or chili powder
  • 1 tablespoon garlic powder
  • 1 tablespoon onion powder
  • 1 tablespoon brown sugar
  • 1 tablespoon ground cumin
  • 12 crisp taco shells, warmed
  • Shredded Wisconsin cheddar, lettuce, pico de gallo, cilantro, and lime wedges (for serving)

Method

  • Mix sour cream, lime zest, lime juice, cilantro, and vinegar in a medium bowl; season with salt. Cover and chill at least 1 hour or up to 1 day.
  • Heat 1 tablespoon oil in a large skillet over medium-high heat. Cook beef, breaking up with a spoon, until cooked through, about 5 minutes. Transfer to a large bowl. Reduce heat to medium. Heat remaining 1 tablespoon oil in skillet. Add onion and garlic; cook, stirring occasionally, until just beginning to brown, about 5 minutes.
  • Preheat oven to 400°F. Add tomatoes to skillet; cook, breaking up, until thickened, 8-10 minutes. Add beef; chili and Worcestershire sauces; chile, garlic, and onion powders; sugar; and cumin. Cook, stirring, until flavors meld, 10-12 minutes. Spread in a 13x9x2" baking dish; bake until a crust forms, 30-40 minutes. Serve filling in shells with toppings.