Pour sunflower oil into a duck dish or baking dish with a thick bottom, fry 2 cloves of crushed garlic so that it gives its flavor, you do not need to fry it very much, otherwise it will be bitter. Then fry the shins until the crust is formed, add the chopped vegetables, tarragon leaves, Apple cider vinegar, 300 ml of water, black pepper, salt to taste (I add 1 tbsp of salt without a slide).