Beetroot, Lentil & Walnut Bolognese - Vegan Recipe

Ingredients

• 1 packet pasta of choice
• 2 tablespoons olive oil
• 1 brown onion, finely diced
• 2 stalks celery, finely sliced
• 1 medium carrot, grated
• 1/2 teaspoon fine salt
• 1 medium beetroot, ends trimmed and grated
• 1 medium zucchini, ends removed and grated
• 4 cloves garlic, peeled and crushed
• 1/4 cup tomato paste
• 8 sprigs thyme, leaves removed and stems discarded
• 6 sprigs oregano, leaves only, finely chopped
• 3 sprigs sage, leaves only, finely chopped
• 2 x 400g tin diced or crushed tomatoes
• 250ml vegan stock or water
• 1/2 cup walnuts, very finely chopped
• 1 can brown lentils
• 2 tablespoons vegan butter (optional)