Ingredients: ground beef, bread, feta, zucchini, shallot, egg, olive oil, spinach, garlic

Ingredients: ground beef, bread, feta, zucchini, greek yogurt, milk, lemon, dill, red onion, extra virgin olive oil, cucumber, tomato, oregano, mint, garlic

Ingredients: ground beef, bread, feta, zucchini, worcestershire, liquid egg substitute, ketchup, sweet pepper, balsamic vinegar, dijon mustard, parsley, cooking spray, stewed tomatoes, onion, garlic