Wash the spinach throughly.

Chop spinach including soft part of spinach stem also cut apple into chunks.

Heat vegetable stock in a pan, add spinach and apples, cover and cook for 15 minutes over medium heat.

Let the mix cool a bit and Blend it in the blender after that and add potato and blend it all to a smooth puree.

Return the soup in the pan and bring it to boil once more. Add some salt and black pepper.

Remove from heat and serve hot. Top it with drizzle of olive oil and grated cheddar cheese.