Russia oxtail stew

Chilled oxtail 1 box (about 1 pound over)
Thick wire an amount of onion
Tomatoes 2
Ginger 2
Flour 1/2 tsp

3 tablespoons ketchup
Velvet dry onion, garlic and 1 teaspoon
A little red wine
1 tablespoon sour cream (optional)

Xia oxtail soup (or water) 1 cup
2 teaspoons fresh soy sauce
Tomato sauce 1 teaspoon
1/3 teaspoon salt
1/2 tablespoon sugar
Black pepper

(1), seeded tomatoes, rinse, cut into large grain; after oxtail water, washed, retained.
(2) The amount of water boiling, add ginger and oxtail oxtail and cook until soft enough to the body, remove and drain and set aside.
(3) Heat about 2 1/2 tablespoons of oil, add onion and stir-fry until fragrant and soft, dry saute onion puree, garlic and tomato sauce, add the flour and stir-fry until fragrant, the oxtail back wok, a little red wine can Sizzle, and injection condiments and tomato, with a moment to stew until tender crisp enough material, tasty and thicken the sauce, sour cream mix can be added to the final cook evenly, then for food.