Recipe is on their Riverford veg/fruit box delivery website, named SLOW COOKER LEEK AND LEMON SPAGHETTI. Fluid is 500ml *vegetarian stock at start with approx 400g leeks, to about 150g pasta. For last 15min on high added pasta (underneath the leeks) if need a dash of boiling water. 4-8hr (low-high) cook time.