It's great to make mayo from scratch but, if you don't have time, you can use a good quality whole-egg purchased one then just do step 3. This will keep in a refrigerator, well covered, for 2-3 days. Australian measurements used.
- Combine egg yolks, mustard and half the lemon juice in a blender or food processor until light and creamy.
- With the blender still running, add the oil in a thin stream until the mixture thickens. Stir in remaining lemon juice.
- Stir in lime juice and the lime zest then season to taste.