For the Curry mayonnaise:
1)Heat olive oil in a small saucepan over medium heat.
2) Add onions and garlic and cook until soft, about 3 to 4 minutes.
3) Add curry powder and cook for 2 to 3 minutes.
4) Add water and cook a few minutes longer.
5)Remove mixture from heat and let cool.
6)Place curry mixture, mayonnaise and lime juice in a blender and blend until smooth; season with salt and pepper,to taste. Refrigerate until ready to use.