1. Thinly slice the leek. Dice the red pepper. Mince the garlic.
2. Fry the beef and pork mince in a large pan over high heat 5–6 mins until browned. Remove and set aside.
3. In the same pan, fry leek and pepper in a little olive oil 4 mins. Add garlic and tomato puree, cook 1 min.
4. Return mince to the pan. Add tinned tomatoes and beef stock (200ml water + stock cube). Bring to boil, add orzo and stir well. Simmer 10–12 mins, stirring frequently, until orzo is cooked and sauce has thickened.
5. Season well. Serve topped with sour cream and grated parmesan.