Deselect All

1 mango, diced

1/2 small red onion, finely chopped

1/4 cup chopped fresh cilantro, plus more for topping

Juice of 1 lime, plus wedges for serving

Kosher salt and freshly ground pepper

1 tablespoon vegetable oil

1 1/4 pounds ground beef chuck

1 15-ounce can diced fire-roasted tomatoes with chiles

1/2 to 1 teaspoon ancho chile powder, plus more for topping

8 corn tostadas

Shredded iceberg lettuce, for topping

2/3 cup sour cream