Spicy potato soup

A knob of salted butter
1 large onion finely sliced
2 large potatoes peeled and cubed
1 clove of garlic crushed
1 red chilli chopped finely
500 ml hot vegetable stock
1 tsp curry powder

1)On a low heat, melt the butter in a large pan.  Add the onion and garlic and fry until softened. Add the chilli, stir in and cook for another couple of minutes.
2)Add the potatoes and stir into the oniony mixture. Cook on a low heat for 10 mins stirring occasionally to make sure they don’t burn.
3)Add the hot stock and bring to the boil then pop in a lid and turn down to a simmer. Cook for about 15 mins until the potatoes have softened. Add the curry powder and stir well.
4) remove from the heat and put in a blender and blend until smooth.
5)When ready to serve, return to the pan and warm through gently. Season with salt and pepper to taste.