Mix 100 g flour, milk and egg. Season with salt and pepper. Let the dough swell for about 10 minutes.
Peel and chop the onion and garlic. Sauté in 2 tbsp. hot oil. Briefly sauté 1 tbsp. flour and tomato paste. Stir in tomatoes together with juice and 1/2 l water. Chop the tomatoes coarsely. Bring to the boil and stir in stock.
Cover and simmer for about 15 minutes.
Heat 2 teaspoons of oil in portions in a large coated frying pan. Bake two thin pancakes from the dough one after the other. Let them cool down.
Spread each pancake with 1 teaspoon of pesto and roll up firmly. Cut into slices and put on skewers. Mix crème fraîche and 1 teaspoon pesto. Puree the soup finely. Season to taste with salt, tabasco and sugar and serve.
Garnish with pesto sour cream and pepper. Add skewers separately.