In a large pot, heat oil and fry steak until brown. Remove and set aside.
Fry onions and garlic until soft.
Add red pepper, Robertsons Paprika and Mixed Herbs, and cook for 2 minutes.
Add steak, potatoes, carrots, tomatoes and water, and simmer for 60 minutes.
Mix the KNORR Rich Beef and Tomato Soup with a little water to form a smooth paste and stir into the stew. Simmer for 5 minutes and allow to thicken.
Add sour cream and stir through. Serve with rice or pasta.