Tender lamb shanks in red wine with onion, garlic and tomatoes.
Preheat oven to 325°F.
Place lamb shanks, onions and garlic cloves in a large casserole dish.
Combine the soup mix, wine, water, thyme, tomato paste and stock powders in a bowl, then stir in the tomatoes and juice. Pour over the lamb shanks. Cover casserole. Cook in oven for 1 1/2 hours, stirring once after about 1 hour.
Add the peppers; cover and cook for a further 30 minutes.
Skim any excess fat from the top of the sauce. Combine the cornstarch and water, and stir into the casserole.
Return to the oven for a further 5-10 minutes or until the sauce has thickened. Serve with couscous or mashed potatoes.
Serving suggestions and garnishes not included in recipe analysis.
Casseroles like these are good made a day ahead. Cool quickly, then refrigerate.
To serve, remove excess fat off the top, then reheat thoroughly.