Pork Loin with Tomato and Herbs

'Chop the onion and sauté it in butter or margarine.'

'Add the tomato and cook for about 20 minutes, until the liquid has reduced.'

'Combine the pork, herbs, and parsley.'

'Pound the pork loin to an even thickness (see illustration) and season with salt and black pepper to taste.'

'Spread the filling over the top of the pork.'

'Roll and tie the pork or secure with toothpicks.'

'Heat a pressure cooker with olive oil and brown the pork on all sides.'

'Add water and white wine

Close the lid and cook for 20 minutes, starting from when the liquid begins to boil.'

'Let it rest for 10 minutes before slicing.'

'Add yogurt to the pan and stir well.'

'Serve over sliced pork.'

'Serves 4-6 people.'

'Note: If you prefer a less pronounced flavor of rosemary, use less or omit it altogether.'