Mix egg, flour, milk and 1 pinch of salt to a smooth dough and let it swell for about 15 minutes. Wash the mint, dab dry and, except for 1 stalk for garnishing, pluck leaves from the stalks and chop finely. Mix yoghurt with mint, season with salt and pepper. Wash, clean and slice the zucchini. Heat 1 teaspoon of oil in a coated frying pan and fry 1/4 of the dough at medium heat for about 3 minutes on each side until golden brown. Bake the rest of the dough in the same way. Keep pancakes warm.
Heat 1 tablespoon of oil in a frying pan and fry the minced meat for 5-8 minutes while turning it until crumbly. Fry the zucchini for the last 3 minutes. Season with salt and pepper. Put the pancakes on plates and fill with zucchini mince mixture. Fold the pancakes over. Garnish with mint and chilli peppers