Slow-Cooker Turkish Lamb & Vegetable Stew

Season lamb with 1/4 teaspoon salt and pepper to taste. Heat 1/2 tablespoon oil in a large heavy skillet over medium-high heat. Add half the lamb and sear, turning, until well browned, 2 to 4 minutes. Transfer to a 4-quart slow cooker. Add another 1/2 tablespoon oil to skillet and brown remaining lamb. Add to slow cooker.

Add remaining 1/2 tablespoon oil to skillet and reduce heat to medium. Add onions and cook, stirring, until softened, 3 to 5 minutes. Add garlic and oregano; cook, stirring, for 1 minute more. Add tomatoes and bring to a simmer, mashing with a potato masher or fork. Remove from heat and spoon half the mixture over the lamb.

Arrange potatoes in a layer in the pot; season with 1/4 teaspoon salt and pepper to taste. Add green beans, followed by eggplant and zucchini, seasoning each layer with 1/4 teaspoon salt and pepper to taste. Spread remaining tomato-onion mixture over vegetables. Top with bay leaves.

Cover and cook on high until lamb and vegetables are very tender, about 4 hours. Discard bay leaves. Serve hot, garnished with parsley.