what cake can we bake with these ingredients?!

[UnapologeticallyUnreasonable]

Spur of the moment decided to bake a cake for DP tomorrow for fathers day with our DD (2yo). I have the following things, what can I make?
Sr flour
Limited amount of sugar
Eggs
Milk
1 large orange
Icing sugar
Butter
Avocado
Unlimited amount of boost bars (preg craving!)
And a few handfuls of haribo strawberry softies (sort of hard marshmallows covered in pink stuff flavoured like strawberries)

Oh, also a bit of peanut butter,
A spoonful or so of ground cinammon

Make an all in one sponge using 4oz marg, 4oz sugar, 5oz flour, tablespoon or two of orange juice and maybe a bit of the zest?

Then ice with glace icing using water or some more orange juice and the icing sugar.

It could be decorated around the side with the haribo.

Victoria sponge if you have jam?

I did make an avocado loaf cake once - it was bright green inside. You could google a recipe for that???

I don't have jam, just found some honey and whittards hot choc powder. I've used avocado in chocolate brownies before and they were to die for.. But cant see Dap going for green cake haha!