Lamb Chili With Chickpeas And Raita

Ingredients

• 1 medium english cucumber
• juice of 1 lemon (about 2 tablespoons)
• 1 cup thick yogurt
• 6 large fresh mint leaves, minced
• 1/2 teaspoon salt
• 1/4 teaspoon ground cumin
• pinch of cayenne pepper
• 1 tablespoon corn oil
• 2 pounds ground lamb
• 1 medium red onion, diced (about 1 cup)
• one 1-inch piece of fresh ginger, peeled, sliced thin, and diced (1 tablespoon)
• 1 clove garlic, minced
• 3 teaspoons garam masala (or 2 teaspoons curry powder plus a pinch of cinnamon)
• 1 teaspoon chili powder
• 1/2 teaspoon salt
• 1/2 teaspoon fresh-ground black pepper
• 1 cup canned coconut milk
• one 28-ounce can chopped tomatoes with their juice
• 3 cups low-sodium chicken broth, vegetable broth, or water
• 1 medium red bell pepper, diced (about 1 cup)
• one 15-ounce can chickpeas, drained
• 1/2 cup torn fresh cilantro leaves