Anu's Avial

Ingredients

• 1 medium cucumberpeeled, seeded and cut into 3-by-1/3-inch sticks
• 1 baking potato (1/2 pound), peeled and cut into 1-by-1/4-inch matchsticks
• 1 medium carrot, cut into 1-by-1/4-inch matchsticks
• 3 ounces green beans, cut into 1-inch lengths
• 1 medium tomato, coarsely chopped
• 5 long hot green chiles3 halved lengthwise and seeded, 2 seeded and thinly sliced crosswise
• 5 tablespoons vegetable oil
• 1 cup water
• 1 teaspoon turmeric
• 1 1/2 cups (5 1/4 ounces) shredded unsweetened coconut
• 3 medium shallots, very thinly sliced
• 1 garlic clove, very thinly sliced
• 1/2 teaspoon cumin seeds
• 12 fresh curry leaves
• 1 underripe banana, cut into 1-by-1/4-inch sticks
• 1 cup plain whole-milk yogurt
• Salt