Mousseline Hollandaise lightened with whipped cream just before serving. Twice the volume, half the weight, and it will not wait. 3 pc — egg yolk 160 g — clarified butter 80 ml — double cream 5 ml — lemon juice 3 g — salt Make a Hollandaise and let it come down to just warm. Cream folded into a hot sauce melts instead of lifting it. Whip the cream to soft peaks — not stiff — and fold it in with a spatula in three goes. Serve within ten minutes. Poached salmon, soufflés, steamed vegetables.