Mushroom bolognese | Australian Mushrooms

Ingredients

• 2 tbsp olive oil
• 1 brown onion, finely chopped
• 1 stick celery, finely chopped
• 3 garlic cloves, crushed
• 2 carrots, grated
• 500 g button mushrooms, half sliced half diced
• 1 tbsp tomato paste
• 1 tbsp soy sauce
• ½ tsp vegemite
• 700 ml jar tomato passata
• 1 cup vegetable stock
• 1 tsp dried oregano
• 400 g spaghetti
• 1 green shallot, sliced
• 1 green salad to serve