1. for the salad: heat 1/2 stick butter and brown sugar in a sauté pan. add fruit over medium heat and heat through/begin to break down the fruit;
2. in a large pot, add the water, sugar, remaining butter, and salt. bring to a boil;
3. as soon as the water comes to a boil, add the fruit mixture and the couscous. stir through quickly;
4. cover and remove from heat. ready to serve in 20 minutes (or when all liquid is absorbed);
5. use a cup or ramekin to mold the individual salads and turn them out onto a lettuce bed.
6. for the dressing: mix all ingredients in large bowl (if too thin, add mayo, if too thick, add 4 parts buttermilk and 1 part citrus juice);
7. pour over individual salads.