Chilled Asparagus Soup recipe

Ingredients (Serves 2) 250g fresh asparagus 10g butter 1 onion, chopped 1/2 ltr chicken stock 1 ripe avocado 2 tsp mint, finely chopped 3-4 tbs yoghurt / crème fraîche juice of 1/2 lemon salt and black pepper Method Break off the woody stems of the asparagus and chop the asparagus into even size pieces keeping [...]