Kheema: Indian Ground Beef with Peas

• 3 tablespoons canola oil
• 1 medium onion, finely diced
• 4 cloves garlic, minced
• One 1-inch thumb fresh ginger, peeled and minced
• 2 teaspoons ground coriander
• 1 teaspoon paprika
• 1/2 teaspoon store-bought or Homemade Garam Masala, recipe follows
• 1/2 teaspoon ground cumin
• 1/2 teaspoon cayenne, optional
• 1 pound ground beef
• 2 medium tomatoes, chopped
• Kosher salt and freshly ground black pepper
• 1 cup shucked fresh English peas or 1/2 cup frozen peas, thawed
• 2 teaspoons malt vinegar or apple cider vinegar
• 1/4 cup chopped fresh cilantro, plus a few extra leaves for garnish
• 4 chapatis or pitas, warmed

Aarti's Hot (not heavy!) Homemade Garam Masala:

• 3 large cinnamon sticks (if you have the kind you get at Indian stores, it's about 3 tablespoons of cinnamon bark bits)
• 3 tablespoons whole cloves
• 1/4 cup green cardamom pods, shelled, husks discarded (about 2 tablespoons of seeds)
• 4 large black cardamom pods, shelled, husks discarded (about 1 tablespoon of seeds), optional