Sauté onions and garlic in olive oil until fragrant. (Pro tip: Discover why fresh olive oil matters in cooking in The Health Benefits of Greek Olive Oil.
Combine the ground meat, breadcrumbs, eggs, herbs, and feta (if using) in a bowl.
Add the onion mixture and mix thoroughly.Form the meat mixture into a loaf and place it in a greased baking dish. Brush with olive oil for a crispy top.
Bake in a preheated oven at 375°F (190°C) for about 45-50 minutes or until fully cooked.
Serve slices with a squeeze of lemon and a side of roasted vegetables or a Greek Potato Salad.