Polenta a la Tavola - Eatin' mess

Ingredients

• 1 vine of truss cherry tomatoes, about 8-10 tomatoes
• 6 pork and fennel sausages * See note at the bottom
• 1 onion, finely diced
• 1 clove garlic, finely chopped
• 2 tbs tomato paste
• 1 tin chopped tomatoes
• 1 cup passata
• ½ tsp raw sugar
• Salt and pepper
• Olive oil
• 1 cup polenta
• ½ cup chicken stock
• ½ cup milk
• 1 cup water
• ½ cup grated parmesan
• 2 tbs butter