Penne with Arrabbiata Sauce

Ingredients

• 1 lb penne pasta
• 1 lb ground beef
• 3 tbsp extra-virgin olive oil
• 4 medium clove garlic, crushed
• 1 tbsp crushed red pepper
• 28oz can whole peeled tomatoes, crushed by hand
• 2 oz finely grated Parmesan cheese
• Small handful minced flat-leaf parsley leaves
• salt to taste