9 inch Madeira cake in one tin

[Choconuts]

Can anyone help me out with a recipe for a 9 inch Madeira cake baked in one tin.

I bought a bigger tin to make my daughters bday cake without finding a recipe first and all the recipes I can find say to split the mixture between two tins.

Thanks in advance

Madeira would usually be baked in one tin IMHO. Are you talking Round or Square?
For a round one I would use a 4 egg mix and for a square one a 5 egg mix (you could possibly push to 6).
For each medium egg, 2oz Butter, 2oz caster sugar, 2oz SR Flour, 1oz Plain Flour, 1tsp lemon juice and the zest from half a lemon. Cream butter and sugar, add eggs one at a time (possibly with a little flour to prevent curdling), then the rest of the flour then lemon juice and zest. Bake Gas 3. or 160 deg.C (not fan) for 40 - 45 minutes, or until golden.

It's a round one.

Thank you for your recipe - the ones I've found online say to cook for 90 mins which seems ridiculous!!!

I find this one always works well and it's handy to have the different weights etc for different sizes in the same place
http://www.odlums.ie/recipes/madeira-sponge-cake/

The Odlums site looks good. I work mine out on the basis of a one egg mix per 15 square inches of cake surface area, so a 5" x 3" cake would be 1 egg, 2ozs SRflour, butter etc., and a 9" Rd cake is 63.6 square inches (Pi R Squared) so that would be 4 eggs.