Stewed beef tail in red wine

Oxtail is a kind of food that cant be eaten outside, so just buy it and make it yourself. Food Material List 1 Oxtail 500g 2 cucumber 100g 3 onion 150g 4 butter 10g 5 red wine 100ml 6 Chinese cinnamon A few 7 Star anise Appropriate amount 8 Cooking wine Two bottle caps 9 …