Egg1, ½ lemon juice, Vinegar ½ teaspoon, Salt ½ teaspoon, Black Pepper powder ½ teaspoon, oil 1 cup.

Method:
First of all, we have to blend all the ingredients except oil, although including the egg, slowly in a mixer. While blending, keep on adding 1 teaspoon of oil, very slowly in the grinder. On adding oil, the mixture thickens. Stop pouring oil, once the mixture is thick. Further, you can add garlic, thyme, coriander etc as per your wish in your mayonnaise. Serve chilled. The mayonnaise can sustain till 4 days in the fridge.