Gnocchi bolognese - My health for life

Ingredients

• 1 tsp olive oil
• 1 brown onion, diced
• 1 carrot, diced
• 1 stalk celery, diced
• 2 cloves garlic, minced
• 1 tsp dried oregano
• 250g beef mince
• 250g pork mince
• 1.5 tbsp tomato paste
• 1 can (400g) diced tomatoes
• ½ cup milk
• ½ tsp salt
• ½ tsp black pepper
• 1 tsp castor sugar
• 500g gnocchi
• Freshly grated parmigiano reggiano, to serve