This really is an instant pudding but very good too. It can be made with any flavour fruit yoghurt but I think apricot combines best with the cream and lemon juice.
Put the yoghurt into a mixing bowl. Stir in the lemon juice. Whip the cream and whisk thoroughly into the yoghurt. Put the mixture into individual dishes (glass ones look best). Sprinkle flaked almonds on the top and chill well in the fridge before serving.