Milk and milk products Low-fat varieties of milk and cheese are healthier and not any more expensive. Use it for making custard or if you do any baking. The powder keeps for a long time without refrigeration but once mixed up needs to be kept cool. Children under two years of age should always be given whole milk. A mild cheddar may be cheaper, but with a stronger cheddar you can use less to give more flavour.
Scottish cheddar is a good buy, but watch for specials on other cheeses.
Many supermarkets have cheese that is not pre-packed so you can buy the quantity you want. Most hard cheddars will keep well if kept cool and wrapped loosely. Some supermarkets have a variety of individual cheeses, they are fairly expensive, but can add variety if you are cooking for one.