Tomatoes in their own juice are very common in the Mediterranean countries. They can be purchased in stores, or you can cook them yourself at home, they are very easy to prepare. Tomatoes canned without salt and spices, only one tomato without a peel and all. Tomatoes in their own juice are used to make sauces, not sweet casseroles, in stews. Also, tomatoes are well added when stewing any kind of meat. If the tomatoes are twisted in a meat grinder, and then rubbed through a sieve, then you can prepare drinks, both alcoholic and non-alcoholic, from juice.