Parsnip and ginger soup
1 tbsp olive oil 15 g butter 1 large onion, chopped finely 4 garlic cloves, chopped finely 4-5cm piece of ginger peeled and finely chopped (or 1tsp dried). 1/4 tsp cumin 1/4 tsp cayenne pepper 500g parsnips, peeled and chopped …