Wash, clean and roughly grate the cucumber. Mix yoghurt and 2 tablespoons of oil. Peel garlic, press 2 cloves directly into the yoghurt. Season to taste with salt and pepper
Peel and wash the potatoes, slice them into thin slices and put them in cold water. Soak bread in cold water. Peel onions. Dice onions and 1 garlic clove. Wash oregano, chop half finely. Squeeze the bread. Knead with minced meat, egg, half onions, chopped oregano and garlic. Season with salt, pepper, paprika and cumin
Form 12 oval meatballs from the minced mass. Fry in 2-3 tbsp. hot oil all around for about 10 minutes. Keep warm
Drain the potato slices and pat them dry well. Fry in 6 tablespoons of hot oil in portions until golden brown. Drain on kitchen paper. Season with salt
Wash the tomato, dice roughly. For the tzatziki, squeeze the cucumber well and stir into the yoghurt. Season to taste. Serve with Keftedes and the potato chips. Garnish with tomato, lemon, rest of onion and oregano
Drink: Greek red wine, for example Nemea from Boutari, and Ouzo 12