How to make Lemon dressing. (vinaigrette)

Lemon dressing is a very popular dressing of mix green leaves,or leafy salad. All the hotels and restaurant are serving salad with this dressing.
There are different ways but I am going to teach you what I've learned from my chef.
We need the following:
1/2 cup Lemon juice
1 tsp Dijon Mustard
1/4 cup olive oil
1 cup corn oil
1 tbsp honey or sugar syrup.
salt
pepper

1.In a blender put the lemon juice, mustard, sugar syrup or honey and blend it.
2.While blending add the olive oil and corn oil little by little or slowlyb slowly or gradually.(lol..how come i do not know the correct grammar)
3.Add salt and peper or more lemon etc depending on your taste.

Through times you will learn different techniques on making lemon dressing. why it separates from oil and how not to separate. the thickness of the dressing, the taste of course.

Some chef they add some grilled shallots, lemon zest, thyme etc.
And these is the job of the chefs. To get the maximum taste of their salad.