Shrimp Stuffed Avocados

Takes only 10 minutes to make. 2 avocados 600 g shelled boiled prawns 1/2 cup coarsely shopped walnuts 4 tbsp mayonnaise 2 tbsp each cream and ketchup Halve avocados. Spoon out pulp and dice. Place diced avocados in a bowl and mix in prawns, walnuts, mayonnaise, cream and ketchup. Use mixture to fill avocado halves and chill before serving.