Sponge cake where you weigh the eggs?

[deaconblue]

This may be a dim question but do you beat the eggs then pour the correct weight into the bowl or weigh the eggs still in their shell to decide how many to put in?

weigh them in shells.

Ok and then choose whether 4 or 5 eggs is nearest to the amount of flour etc?

Weigh eggs in shells, then twice that weight in each of flour, sugar and butter.
Comes out very close to standard Victoria sponge. (2 eggs, 4 oz, 3 eggs to 6 oz etc).
Useful if you are lucky enough to get non commercial eggs, which are very large or very small.

I weigh eggs in shells first. Each egg is about 2oz. If 3 eggs weigh 7oz, use 7oz sf flour, 7oz butter, 7oz sugar.

same weight of eggs to everything else.

Oops Ruddys right. Just got the scales out, eggs weigh about 2 oz each, so the same weight of flour etc.