This is more of a formula than a recipe. You can use any measure you like, as long as they are all the same. I just used a cup for ease of demonstration. Once you know how to do it there is no excuse for buying those horrible frozen jobs ever again (as my husband says-they are for people who are too stupid to mix together flour, eggs and milk!) You can also freeze these, then just pop them from the freezer into a hot oven for a few minutes to heat through and crisp up. I make little mini ones for the children and freeze them-a great standby for a quick dinner or a cheats 'Toad in the Hole’. Try it--you'll be wanting to eat roasts more often!