Place the oats in a bowl and pour over the apple juice and lemon juice.
Cover and place in the fridge overnight. Add a little water if it looks too dry.
Wash and grate the apple.
Remove any remaining cores.
Add to the oats.
Add the raisins.
Add the yogurt.
Mix everything well.
Divide the muesli between 4 small bowls.
Sweeten with honey to taste.
Serve with your choice of almonds, fresh fruit and mint.