What is the secret ingredient top chefs use in their sauces, soups, curries etc.? Real Stocks! Instead of spending time and effort to make stocks from scratch at home, we have done all the hard work for you. We use top quality ingredients and simmer these at low temperatures for 12 hours. No preservatives or MSG. For easy use the stocks are packed in convenient 25 g portion packs. They have a long shelf life and require no refrigeration 8 x 25 g foil packs are housed in a cardboard box printed with relevant information. 8 sachets (in a box) will deliver 2 litres of stock.