This traybake is easy to make and also happens to be vegan.
I have also tried it with gluten free flour and it works very well.
250ml/ 8 1/2 fl oz soya milk
2 teaspoons cider vinegar
250g/9 oz plain (all purpose) flour
150g/5 1/3 oz light brown sugar (or coconut sugar)
3 teaspoons baking powder
75ml/2 1/2 fl oz vegetable oil
2 teaspoons vanilla extract
150g/5 1/3 oz sultanas
Line a 30cm x 20cm baking tray with parchment.
Preheat the oven to 220C
Add the vinegar to the soya milk and mix together.
Add the sugar, baking powder, oil and vanilla.
Pour the milk/vinegar mix into and mix.
Fold in the sultanas.
Pour the mixture into the tray.
Bake for about 20-25 minutes.
Remove from the tin to cool.