Vegetarian bolognese

Ingredients

• 2 tbsp olive oil
• 3 cloves garlic (minced)
• salt and pepper
• 1 cup vegetable stock
• salt and pepper (to taste)
• 1 carrot (finely diced)
• 1 onion (brown, finely diced)
• 200 g / 7oz mushroom (button or portobello, thickly sliced)
• 1 can tomatoes (400ml/12oz, diced or whole )
• 1 tsp worcestershire sauce (substitute: balsamic vinegar (note 1))
• ½ tsp dried thyme (or other preferred herbs such as oregano)
• 800 g / 1.8lb pumpkin (kent or butternut both okay)
• 500 g / 1lb dried spaghetti (or other preferred shapes)
• optional: fresh basil leaves