Indian Flank Steak Tacos

Ingredients

• For the Masala:

• • 3 tablespoons canola oil
  • 1 large red onion, diced
  • ½ cup packed curry leaves
  • 6 garlic cloves, roughly chopped
  • 1 serrano chile, minced
  • One 3-inch piece ginger, peeled and roughly chopped
  • ¼ cup soy sauce
  • ¼ cup white distilled vinegar
  • 2 tablespoons freshly ground black pepper
  • 1 tablespoon tamarind pulp
  • 1 teaspoon sugar
  • 1 teaspoon kosher salt

• For the Tacos:

• • 1½ pounds flank steak
  • ½ red onion, plus more for serving, thinly sliced
  • 2 tablespoons freshly squeezed lime juice
  • Grilled naan, for serving
  • Lime wedges, for serving
  • Cilantro leaves, for garnish