Curried Mixed Vegetables

Name: Curried Mixed Vegetables
Ingredients: 2 large carrots, cut into 1/4-inch dice; 1 medium Yukon Gold potato, peeled and cut into 1/4-inch dice; 1 medium zucchini, cut into 1/4-inch dice; 2 medium onions, cut into 1/4-inch dice; 2 long red chiles, seeded and minced; 2 tablespoons ground coriander; 1 teaspoon ground turmeric; 3 tablespoons vegetable oil; 2 teaspoons minced fresh ginger; 2 medium tomatoes, diced; 1/2 cup cilantro, very coarsely chopped; 1 cup shelled frozen edamame (soybeans); 1 cup plain, nonfat Greek yogurt; 1 tablespoon fresh lemon juice; Kosher salt; 4 whole-wheat pocketless pitas, warmed