The recipe gives you a final weight of 0.450 kg, which is a portion for one person! Ingredients: 0.400 kg mussels 0.05 kg shallots 0.005 kg garlic 0.05 kg butter 0.07 kg beer or white wine 0.007 kg dill 0.007 kg devesil 0.007 kg parsley 0.004 kg …