Asparagus: 200g (1 bunch, trimmed and chopped), Potato: 75g (1/2 small, diced), Leek: 75g (1/2 medium, white part only, sliced), Garlic: 6g (2 cloves, minced), Vegetable broth: 300ml (1 1/4 cups), Light cream: 60ml (1/4 cup), Butter: 10g (1 tbsp), Flour: 15g (1 tbsp), Lemon zest: 2g (1/2 tsp), Nutmeg: 0.5g (pinch), Fresh chives: 5g (1 tbsp, chopped), Salt: to taste, Black pepper: to taste