Preheat the oven to 175 C.
Add the apple sauce, milk to it and mix it.
Add the eggs, vanilla extract, margarine and agave syrup. Mix it well.
Stir in the self-raising flour, baking powder and baking soda. Lastly, pecan nuts
Transfer the mixture in a baking tin.
Cut the pecan nuts in small pieces and sprinkle them on the cake along apple slices.
Put the mix in the oven for 45-50 minutes.
Let it cool for 10 minutes.
If you like a bit sweeter, drizzle honey on top.