Let the dough rest for about 10 minutes at room temperature. Cut the ham lengthwise into strips about 2 cm wide. Wash parsley and basil, shake dry and pluck the leaves. Line a baking tray with baking paper.
Preheat oven (electric cooker: 200 °C/circulating air: 175 °C/gas: see manufacturer).
Moisten a tea towel with water. Take 2 pastry sheets out of the package, place them on top and cover with a dry tea towel. Take out 1 pastry sheet between the cloths and brush it thinly with oil.
Cover the dough with ham, parsley and basil. Cover with the 2nd dough sheet and press well. Cut into strips about 3 cm wide. Place on a baking tray and bake in a hot oven for 3-4 minutes. Let it cool down.
Peel and chop the onion. Heat the butter in a large pan and sauté the onion. Dust with flour and briefly sauté lightly. Wine, 3⁄4 Stir in l water and stock, bring to the boil. Simmer for about 5 minutes.
Wash the wild garlic and shake dry, cut off the stems. Cut leaves into fine strips. Stir cream into the soup, bring to the boil. Stir in 200 g cheese and wild garlic. Season soup to taste with salt, pepper and sugar and serve.
Crumble the rest of the cheese and sprinkle over it. Add the filo strips.