Dairylea Cheddar Cheese blocks have no artificial colours or flavours and are great for lunchboxes and snacks. Try it grated in your salads, sliced on a biscuit or even on its own! Dairylea Cheddar Cheese blocks have no artificial colours or flavours and are a delicious source of calcium. Try it grated in your salads, sliced on a biscuit or even on its own!