Creamy kabanos pasta

Ingredients

• A knob of butter or 2 tablepsoons olive oil
• 225 g tin of chopped tomatoes
• 2 cloves garlic, grated or crushed
• 1 teaspoon chopped rosemary
• 1-2 teaspoon sugar
• 225 g kabanos sausage sliced into small logs
• pinch dried red chilli flakes
• 80 ml single cream
• a few drops of Worcestershire Sauce
• 1 tablepsoon tomato ketchup
• 1 tablepsoon chopped parsley
• 300 g spirali pasta
• 4 tablepsoons grated parmesan