Olive oil
6 scallions, cut into 1-inch pieces
2 jalapeños, seeds removed if desired
6 garlic cloves
1 (1-inch) piece ginger, peeled, chopped
1 tablespoon fresh lemon juice
1 tablespoon garam masala
1 teaspoon ground coriander
1/2 teaspoon ground cumin
1/2 teaspoon cayenne pepper
2 pounds ground beef (20% fat)
1 large egg, beaten to blend
3 tablespoons plain yogurt
2 teaspoons kosher salt
1/4 cup olive oil
4 medium onions, chopped
10 garlic cloves, crushed
1 (1 1/2-inch) piece ginger, peeled, chopped
3 dried chiles de árbol
4 teaspoons curry powder
4 teaspoons ground cumin
4 teaspoons ground turmeric
3 tablespoons ground coriander
1 teaspoon black peppercorns
1 (14.5-ounce can) crushed tomatoes
1 bay leaf
1 tablespoon kosher salt, plus more
1 tablespoon fresh lemon juice
1/2 teaspoon cayenne pepper
Cilantro leaves with tender stems (for serving)