Stuffed peppers recipe on Second Nature

Name: Stuffed peppers recipe on Second Nature
Ingredients: 4 large; red peppers; 400ml; vegetable stock; 100g; quinoa; 5-6 sprigs; of fresh thyme; extra virgin olive oil; garlic clove, finely diced or minced; 1 small; red onion, diced; walnuts, roughly chopped; 1 x 400g tin; chickpeas, rinsed and drained; ground paprika; 1 large handful; spinach, roughly chopped; 60g; cheddar, grated (optional)