No-Waste Veg Tomato Sauce - Vegan Recipe

Ingredients

• 20ml olive oil
• 2 brown onions
• 3 cloves garlic
• 3 carrots
• 2 zucchini
• 3 stick celery
• 1 bunch spring onions
• Stalks rainbow chard
• 1 leak
• 1 sweet potato
• 100ml red wine
• 2 tins roma tomatoes
• 200ml vegetable stock
• 1 tablespoon brown sugar
• 2 bay leaves
• 3 sprigs thyme
• Stick rosemary
• 1 teaspoon dried oregano
• 2 tablespoon balsamic vinegar
• Salt and pepper