Combine beef, 1/2 cup onion, bread crumbs, eggs, garlic, ... in bowl. Combine potatoes, 1/2 cup yogurt, parsley, ... rectangle. Spread on potato mixture, leaving 1/2 inch border. ... Cook 1 cup onions in butter in small saucepan ... dish. Serve with gravy.
Ingredients: 13 (beef .. broth .. crumbs .. eggs .. flour .. onion ...)